CVE-2025-39949

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39949", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.148Z", "datePublished": "2025-10-04T07:31:10.164Z", "dateUpdated": "2026-08-05T12:06:23.545Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:06:23.545Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nqed: Don't collect too many protection override GRC elements\n\nIn the protection override dump path, the firmware can return far too\nmany GRC elements, resulting in attempting to write past the end of the\npreviously-kmalloc'ed dump buffer.\n\nThis will result in a kernel panic with reason:\n\n BUG: unable to handle kernel paging request at ADDRESS\n\nwhere \"ADDRESS\" is just past the end of the protection override dump\nbuffer. The start address of the buffer is:\n p_hwfn->cdev->dbg_features[DBG_FEATURE_PROTECTION_OVERRIDE].dump_buf\nand the size of the buffer is buf_size in the same data structure.\n\nThe panic can be arrived at from either the qede Ethernet driver path:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc02662ed [qed]\n qed_dbg_protection_override_dump at ffffffffc0267792 [qed]\n qed_dbg_feature at ffffffffc026aa8f [qed]\n qed_dbg_all_data at ffffffffc026b211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc027298a [qed]\n devlink_health_do_dump at ffffffff82497f61\n devlink_health_report at ffffffff8249cf29\n qed_report_fatal_error at ffffffffc0272baf [qed]\n qede_sp_task at ffffffffc045ed32 [qede]\n process_one_work at ffffffff81d19783\n\nor the qedf storage driver path:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc068b2ed [qed]\n qed_dbg_protection_override_dump at ffffffffc068c792 [qed]\n qed_dbg_feature at ffffffffc068fa8f [qed]\n qed_dbg_all_data at ffffffffc0690211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc069798a [qed]\n devlink_health_do_dump at ffffffff8aa95e51\n devlink_health_report at ffffffff8aa9ae19\n qed_report_fatal_error at ffffffffc0697baf [qed]\n qed_hw_err_notify at ffffffffc06d32d7 [qed]\n qed_spq_post at ffffffffc06b1011 [qed]\n qed_fcoe_destroy_conn at ffffffffc06b2e91 [qed]\n qedf_cleanup_fcport at ffffffffc05e7597 [qedf]\n qedf_rport_event_handler at ffffffffc05e7bf7 [qedf]\n fc_rport_work at ffffffffc02da715 [libfc]\n process_one_work at ffffffff8a319663\n\nResolve this by clamping the firmware's return value to the maximum\nnumber of legal elements the firmware should return."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The overflow is reached through local interfaces \u2014 the ethtool ioctl (ETHTOOL_GREGS / ETHTOOL_GET_DUMP_DATA) on the qede PF netdev, or the devlink health dump netlink command \u2014 not from any remotely supplied data. No network peer input reaches `qed_protection_override_dump()`.\nAC:L - Once the adapter is in the state where the firmware reports more than 20 valid override-window elements \u2014 a recurring real-world condition evidenced by production panics from two independent driver paths (qede and qedf) \u2014 an attacker triggers the unclamped write deterministically by simply issuing `ethtool -d`, with no race to win and no memory-layout grooming required.\nPR:L - `ETHTOOL_GREGS`/`ETHTOOL_GET_DUMP_DATA` fall through to `ns_capable(net->user_ns, CAP_NET_ADMIN)` in net/ethtool/ioctl.c:3304, which is user-namespace scoped, so a host-unprivileged user who is root in a userns-owned netns holding the delegated PF can invoke the dump; no real init-namespace root is needed.\nUI:N - The attacker issues the ethtool/devlink dump themselves with no victim participation, and the qed_report_fatal_error() \u2192 devlink_health_report() path reaches the same code with no user action whatsoever.\nS:U - The out-of-bounds write corrupts kernel memory within the same security authority as the kernel itself; no hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - Beyond the write, the inflated `dumped_dwords` makes `format_feature()` decode data past the end of the undersized buffer and `qed_dbg_all_data()` mis-advance its offset, so adjacent kernel memory is parsed into the regdump/results text returned to userspace \u2014 an unbounded kernel memory disclosure primitive.\nI:H - This is an unbounded out-of-bounds write: the firmware-supplied element count multiplied by 2 is used directly as the dword length written into a 40-dword buffer, overwriting adjacent kernel memory with device register content, and the inflated size also drives further OOB writes into the outer caller buffer.\nA:H - The commit documents the concrete outcome as a kernel panic \u2014 \"BUG: unable to handle kernel paging request\" at `qed_grc_dump_addr_range+0x108` \u2014 observed in the field from both the qede Ethernet and qedf FCoE dump paths."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/qlogic/qed/qed_debug.c"], "versions": [{"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "25672c620421fa2105703a94a29a03487245e6d6", "status": "affected", "versionType": "git"}, {"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c", "status": "affected", "versionType": "git"}, {"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "8141910869596b7a3a5d9b46107da2191d523f82", "status": "affected", "versionType": "git"}, {"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "ea53e6a47e148b490b1c652fc65d2de5a086df76", "status": "affected", "versionType": "git"}, {"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "660b2a8f5a306a28c7efc1b4990ecc4912a68f87", "status": "affected", "versionType": "git"}, {"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3", "status": "affected", "versionType": "git"}, {"version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/qlogic/qed/qed_debug.c"], "versions": [{"version": "4.18", "status": "affected"}, {"version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.245", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.194", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.154", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.108", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.49", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.9", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.10.245"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.15.194"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.1.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.6.108"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.12.49"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.16.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/25672c620421fa2105703a94a29a03487245e6d6"}, {"url": "https://git.kernel.org/stable/c/e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c"}, {"url": "https://git.kernel.org/stable/c/8141910869596b7a3a5d9b46107da2191d523f82"}, {"url": "https://git.kernel.org/stable/c/ea53e6a47e148b490b1c652fc65d2de5a086df76"}, {"url": "https://git.kernel.org/stable/c/660b2a8f5a306a28c7efc1b4990ecc4912a68f87"}, {"url": "https://git.kernel.org/stable/c/70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3"}, {"url": "https://git.kernel.org/stable/c/56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37"}], "title": "qed: Don't collect too many protection override GRC elements", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-39949", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-10T20:42:03.679613Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T18:44:18.906Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-39949", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-10T20:42:03.679613Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T17:38:59.933Z"}}], "cna": {"title": "qed: Don't collect too many protection override GRC elements", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "25672c620421fa2105703a94a29a03487245e6d6", "versionType": "git"}, {"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c", "versionType": "git"}, {"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "8141910869596b7a3a5d9b46107da2191d523f82", "versionType": "git"}, {"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "ea53e6a47e148b490b1c652fc65d2de5a086df76", "versionType": "git"}, {"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "660b2a8f5a306a28c7efc1b4990ecc4912a68f87", "versionType": "git"}, {"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3", "versionType": "git"}, {"status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "lessThan": "56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37", "versionType": "git"}], "programFiles": ["drivers/net/ethernet/qlogic/qed/qed_debug.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"status": "unaffected", "version": "0", "lessThan": "4.18", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.245", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.194", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.154", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.108", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.49", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.16.9", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/qlogic/qed/qed_debug.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/25672c620421fa2105703a94a29a03487245e6d6"}, {"url": "https://git.kernel.org/stable/c/e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c"}, {"url": "https://git.kernel.org/stable/c/8141910869596b7a3a5d9b46107da2191d523f82"}, {"url": "https://git.kernel.org/stable/c/ea53e6a47e148b490b1c652fc65d2de5a086df76"}, {"url": "https://git.kernel.org/stable/c/660b2a8f5a306a28c7efc1b4990ecc4912a68f87"}, {"url": "https://git.kernel.org/stable/c/70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3"}, {"url": "https://git.kernel.org/stable/c/56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nqed: Don't collect too many protection override GRC elements\n\nIn the protection override dump path, the firmware can return far too\nmany GRC elements, resulting in attempting to write past the end of the\npreviously-kmalloc'ed dump buffer.\n\nThis will result in a kernel panic with reason:\n\n BUG: unable to handle kernel paging request at ADDRESS\n\nwhere \"ADDRESS\" is just past the end of the protection override dump\nbuffer. The start address of the buffer is:\n p_hwfn->cdev->dbg_features[DBG_FEATURE_PROTECTION_OVERRIDE].dump_buf\nand the size of the buffer is buf_size in the same data structure.\n\nThe panic can be arrived at from either the qede Ethernet driver path:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc02662ed [qed]\n qed_dbg_protection_override_dump at ffffffffc0267792 [qed]\n qed_dbg_feature at ffffffffc026aa8f [qed]\n qed_dbg_all_data at ffffffffc026b211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc027298a [qed]\n devlink_health_do_dump at ffffffff82497f61\n devlink_health_report at ffffffff8249cf29\n qed_report_fatal_error at ffffffffc0272baf [qed]\n qede_sp_task at ffffffffc045ed32 [qede]\n process_one_work at ffffffff81d19783\n\nor the qedf storage driver path:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc068b2ed [qed]\n qed_dbg_protection_override_dump at ffffffffc068c792 [qed]\n qed_dbg_feature at ffffffffc068fa8f [qed]\n qed_dbg_all_data at ffffffffc0690211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc069798a [qed]\n devlink_health_do_dump at ffffffff8aa95e51\n devlink_health_report at ffffffff8aa9ae19\n qed_report_fatal_error at ffffffffc0697baf [qed]\n qed_hw_err_notify at ffffffffc06d32d7 [qed]\n qed_spq_post at ffffffffc06b1011 [qed]\n qed_fcoe_destroy_conn at ffffffffc06b2e91 [qed]\n qedf_cleanup_fcport at ffffffffc05e7597 [qedf]\n qedf_rport_event_handler at ffffffffc05e7bf7 [qedf]\n fc_rport_work at ffffffffc02da715 [libfc]\n process_one_work at ffffffff8a319663\n\nResolve this by clamping the firmware's return value to the maximum\nnumber of legal elements the firmware should return."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.245", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.194", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.154", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.108", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.49", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16.9", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.17", "versionStartIncluding": "4.18"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:39:32.422Z"}}}, "cveMetadata": {"cveId": "CVE-2025-39949", "state": "PUBLISHED", "dateUpdated": "2026-06-11T18:44:18.906Z", "dateReserved": "2025-04-16T07:20:57.148Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-10-04T07:31:10.164Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"d52c89f120de849575f6b2e5948038f2be12ce6f", "versionType": "git"}, {"lessThan": "70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3", "status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "versionType": "git"}, {"lessThan": "56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37", "status": "affected", "version": "d52c89f120de849575f6b2e5948038f2be12ce6f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/qlogic/qed/qed_debug.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"lessThan": "4.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.245", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.194", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.154", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.108", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.49", "versionType": "semver"}, {"lessThanOrEqual": "6.16.*", "status": "unaffected", "version": "6.16.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3DA1F31D-AAEA-4546-B3EA-9BB5D4BAB7F8", "versionEndExcluding": "5.10.245", "versionStartIncluding": "4.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF862263-DC8D-4324-A52A-DA1D7880B35A", "versionEndExcluding": "5.15.194", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E49CD91E-FC55-45B0-BB63-9AD5F5D70CAA", "versionEndExcluding": "6.1.154", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A7E8EAEE-7731-4996-9578-696255D61EA2", "versionEndExcluding": "6.6.108", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CAA033E9-A2C5-4976-A83E-9804D8FB827F", "versionEndExcluding": "6.12.49", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "638DD910-1189-4F5E-98BF-2D436B695112", "versionEndExcluding": "6.16.9", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*", "matchCriteriaId": "47E4C5C0-079F-4838-971B-8C503D48FCC2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*", "matchCriteriaId": "5A4516A6-C12E-42A4-8C0E-68AEF3264504", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nqed: Don't collect too many protection override GRC elements\n\nIn the protection override dump path, the firmware can return far too\nmany GRC elements, resulting in attempting to write past the end of the\npreviously-kmalloc'ed dump buffer.\n\nThis will result in a kernel panic with reason:\n\n BUG: unable to handle kernel paging request at ADDRESS\n\nwhere \"ADDRESS\" is just past the end of the protection override dump\nbuffer. The start address of the buffer is:\n p_hwfn->cdev->dbg_features[DBG_FEATURE_PROTECTION_OVERRIDE].dump_buf\nand the size of the buffer is buf_size in the same data structure.\n\nThe panic can be arrived at from either the qede Ethernet driver path:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc02662ed [qed]\n qed_dbg_protection_override_dump at ffffffffc0267792 [qed]\n qed_dbg_feature at ffffffffc026aa8f [qed]\n qed_dbg_all_data at ffffffffc026b211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc027298a [qed]\n devlink_health_do_dump at ffffffff82497f61\n devlink_health_report at ffffffff8249cf29\n qed_report_fatal_error at ffffffffc0272baf [qed]\n qede_sp_task at ffffffffc045ed32 [qede]\n process_one_work at ffffffff81d19783\n\nor the qedf storage driver path:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc068b2ed [qed]\n qed_dbg_protection_override_dump at ffffffffc068c792 [qed]\n qed_dbg_feature at ffffffffc068fa8f [qed]\n qed_dbg_all_data at ffffffffc0690211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc069798a [qed]\n devlink_health_do_dump at ffffffff8aa95e51\n devlink_health_report at ffffffff8aa9ae19\n qed_report_fatal_error at ffffffffc0697baf [qed]\n qed_hw_err_notify at ffffffffc06d32d7 [qed]\n qed_spq_post at ffffffffc06b1011 [qed]\n qed_fcoe_destroy_conn at ffffffffc06b2e91 [qed]\n qedf_cleanup_fcport at ffffffffc05e7597 [qedf]\n qedf_rport_event_handler at ffffffffc05e7bf7 [qedf]\n fc_rport_work at ffffffffc02da715 [libfc]\n process_one_work at ffffffff8a319663\n\nResolve this by clamping the firmware's return value to the maximum\nnumber of legal elements the firmware should return."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nqed: No recolectar demasiados elementos GRC de anulaci\u00f3n de protecci\u00f3n\n\nEn la ruta de volcado de anulaci\u00f3n de protecci\u00f3n, el firmware puede devolver demasiados elementos GRC, lo que resulta en un intento de escribir m\u00e1s all\u00e1 del final del b\u00fafer de volcado previamente asignado con kmalloc.\n\nEsto resultar\u00e1 en un p\u00e1nico del kernel con la raz\u00f3n:\n\n BUG: no se puede manejar la solicitud de paginaci\u00f3n del kernel en ADDRESS\n\ndonde 'ADDRESS' est\u00e1 justo despu\u00e9s del final del b\u00fafer de volcado de anulaci\u00f3n de protecci\u00f3n. La direcci\u00f3n de inicio del b\u00fafer es:\n p_hwfn->cdev->dbg_features[DBG_FEATURE_PROTECTION_OVERRIDE].dump_buf\ny el tama\u00f1o del b\u00fafer es buf_size en la misma estructura de datos.\n\nEl p\u00e1nico puede originarse desde la ruta del controlador Ethernet qede:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc02662ed [qed]\n qed_dbg_protection_override_dump at ffffffffc0267792 [qed]\n qed_dbg_feature at ffffffffc026aa8f [qed]\n qed_dbg_all_data at ffffffffc026b211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc027298a [qed]\n devlink_health_do_dump at ffffffff82497f61\n devlink_health_report at ffffffff8249cf29\n qed_report_fatal_error at ffffffffc0272baf [qed]\n qede_sp_task at ffffffffc045ed32 [qede]\n process_one_work at ffffffff81d19783\n\no la ruta del controlador de almacenamiento qedf:\n\n [exception RIP: qed_grc_dump_addr_range+0x108]\n qed_protection_override_dump at ffffffffc068b2ed [qed]\n qed_dbg_protection_override_dump at ffffffffc068c792 [qed]\n qed_dbg_feature at ffffffffc068fa8f [qed]\n qed_dbg_all_data at ffffffffc0690211 [qed]\n qed_fw_fatal_reporter_dump at ffffffffc069798a [qed]\n devlink_health_do_dump at ffffffff8aa95e51\n devlink_health_report at ffffffff8aa9ae19\n qed_report_fatal_error at ffffffffc0697baf [qed]\n qed_hw_err_notify at ffffffffc06d32d7 [qed]\n qed_spq_post at ffffffffc06b1011 [qed]\n qed_fcoe_destroy_conn at ffffffffc06b2e91 [qed]\n qedf_cleanup_fcport at ffffffffc05e7597 [qedf]\n qedf_rport_event_handler at ffffffffc05e7bf7 [qedf]\n fc_rport_work at ffffffffc02da715 [libfc]\n process_one_work at ffffffff8a319663\n\nEsto se resuelve limitando el valor de retorno del firmware al n\u00famero m\u00e1ximo de elementos legales que el firmware deber\u00eda devolver."}], "id": "CVE-2025-39949", "lastModified": "2026-10-19T21:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-39949", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T20:42:03.679613Z", "version": "2.0.3"}}]}, "published": "2025-10-04T08:15:48.120", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25672c620421fa2105703a94a29a03487245e6d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/660b2a8f5a306a28c7efc1b4990ecc4912a68f87"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8141910869596b7a3a5d9b46107da2191d523f82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea53e6a47e148b490b1c652fc65d2de5a086df76"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: qed: Don't collect too many protection override GRC elements", "id": "2401422", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401422"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nqed: Don't collect too many protection override GRC elements\nIn the protection override dump path, the firmware can return far too\nmany GRC elements, resulting in attempting to write past the end of the\npreviously-kmalloc'ed dump buffer.\nThis will result in a kernel panic with reason:\nBUG: unable to handle kernel paging request at ADDRESS\nwhere \"ADDRESS\" is just past the end of the protection override dump\nbuffer. The start address of the buffer is:\np_hwfn->cdev->dbg_features[DBG_FEATURE_PROTECTION_OVERRIDE].dump_buf\nand the size of the buffer is buf_size in the same data structure.\nThe panic can be arrived at from either the qede Ethernet driver path:\n[exception RIP: qed_grc_dump_addr_range+0x108]\nqed_protection_override_dump at ffffffffc02662ed [qed]\nqed_dbg_protection_override_dump at ffffffffc0267792 [qed]\nqed_dbg_feature at ffffffffc026aa8f [qed]\nqed_dbg_all_data at ffffffffc026b211 [qed]\nqed_fw_fatal_reporter_dump at ffffffffc027298a [qed]\ndevlink_health_do_dump at ffffffff82497f61\ndevlink_health_report at ffffffff8249cf29\nqed_report_fatal_error at ffffffffc0272baf [qed]\nqede_sp_task at ffffffffc045ed32 [qede]\nprocess_one_work at ffffffff81d19783\nor the qedf storage driver path:\n[exception RIP: qed_grc_dump_addr_range+0x108]\nqed_protection_override_dump at ffffffffc068b2ed [qed]\nqed_dbg_protection_override_dump at ffffffffc068c792 [qed]\nqed_dbg_feature at ffffffffc068fa8f [qed]\nqed_dbg_all_data at ffffffffc0690211 [qed]\nqed_fw_fatal_reporter_dump at ffffffffc069798a [qed]\ndevlink_health_do_dump at ffffffff8aa95e51\ndevlink_health_report at ffffffff8aa9ae19\nqed_report_fatal_error at ffffffffc0697baf [qed]\nqed_hw_err_notify at ffffffffc06d32d7 [qed]\nqed_spq_post at ffffffffc06b1011 [qed]\nqed_fcoe_destroy_conn at ffffffffc06b2e91 [qed]\nqedf_cleanup_fcport at ffffffffc05e7597 [qedf]\nqedf_rport_event_handler at ffffffffc05e7bf7 [qedf]\nfc_rport_work at ffffffffc02da715 [libfc]\nprocess_one_work at ffffffff8a319663\nResolve this by clamping the firmware's return value to the maximum\nnumber of legal elements the firmware should return."], "name": "CVE-2025-39949", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39949\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39949\nhttps://lore.kernel.org/linux-cve-announce/2025100420-CVE-2025-39949-d909@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-06T14:41:57.025019+00:00", "updated": "2025-10-06T14:41:57.025112+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}