CVE-2025-21885

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-21885", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.782Z", "datePublished": "2025-03-27T14:57:13.219Z", "dateUpdated": "2026-10-30T12:20:55.350Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:20:55.350Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Fix the page details for the srq created by kernel consumers\n\nWhile using nvme target with use_srq on, below kernel panic is noticed.\n\n[ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)\n[ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n..\n[ 566.393799] <TASK>\n[ 566.393807] ? __die_body+0x1a/0x60\n[ 566.393823] ? die+0x38/0x60\n[ 566.393835] ? do_trap+0xe4/0x110\n[ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393881] ? do_error_trap+0x7c/0x120\n[ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393911] ? exc_divide_error+0x34/0x50\n[ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393939] ? asm_exc_divide_error+0x16/0x20\n[ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]\n[ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]\n[ 566.394057] ? srso_return_thunk+0x5/0x5f\n[ 566.394068] ? __init_swait_queue_head+0x4a/0x60\n[ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core]\n[ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]\n[ 566.394174] ? lock_release+0x22c/0x3f0\n[ 566.394187] ? srso_return_thunk+0x5/0x5f\n\nPage size and shift info is set only for the user space SRQs.\nSet page size and page shift for kernel space SRQs also."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - The crash is reached from `nvmet_rdma_queue_connect()`, the handler for an inbound RDMA CM connect request on the NVMe-oF target's listening endpoint; bnxt_re is a RoCE device and RoCEv2 is UDP/IP-encapsulated and fully routable, so a remote off-segment initiator can drive the path.\nAC:L - The divide-by-zero is deterministic \u2014 `sg_info.pgsize` is unconditionally 0 for every kernel-created SRQ \u2014 so the very first connect request from the attacker triggers it with no race, timing, or memory-layout dependency.\nPR:N - SRQ allocation happens in `nvmet_rdma_find_get_device()` at the top of the connect-request handler, before the NVMe fabrics Connect command, host-NQN allow-list checks, or any authentication, so an entirely unauthenticated remote peer reaches it.\nUI:N - The target processes inbound RDMA CM connect requests autonomously; no local user or administrator action is needed once the nvmet-rdma port is listening.\nS:U - The fault is a divide error inside the kernel affecting only the host kernel's own resources, with no crossing of a VM, IOMMU, or other security authority boundary.\nC:N - The zero divisor causes a `#DE` trap before any allocation, pointer arithmetic, or buffer access occurs, so no out-of-bounds read or information disclosure primitive exists.\nI:N - No memory is corrupted or written out of bounds \u2014 the failure is a CPU exception on the division itself, giving no write or control-flow primitive.\nA:H - The divide error Oopses the RDMA CM workqueue thread while `device_list_mutex` and the cma `handler_mutex` are held, permanently deadlocking nvmet-rdma and RDMA connection management, and produces a full kernel panic with `panic_on_oops=1`."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c"], "versions": [{"version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "c07040d450581b50db3311d1348c4018ef704de0", "status": "affected", "versionType": "git"}, {"version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "d63d73d045e4874b901ab7b1bde05449659355c7", "status": "affected", "versionType": "git"}, {"version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "722c3db62bf60cd23acbdc8c4f445bfedae4498e", "status": "affected", "versionType": "git"}, {"version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "2cf8e6b52aecb8fbb71c41fe5add3212814031a2", "status": "affected", "versionType": "git"}, {"version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "b66535356a4834a234f99e16a97eb51f2c6c5a7d", "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/infiniband/hw/bnxt_re/ib_verbs.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.18", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.6", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "5.7", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.13.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c07040d450581b50db3311d1348c4018ef704de0"}, {"url": "https://git.kernel.org/stable/c/d63d73d045e4874b901ab7b1bde05449659355c7"}, {"url": "https://git.kernel.org/stable/c/722c3db62bf60cd23acbdc8c4f445bfedae4498e"}, {"url": "https://git.kernel.org/stable/c/2cf8e6b52aecb8fbb71c41fe5add3212814031a2"}, {"url": "https://git.kernel.org/stable/c/b66535356a4834a234f99e16a97eb51f2c6c5a7d"}], "title": "RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-21885", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T21:43:31.014423Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:51:54.840Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-21885", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T21:43:31.014423Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:43:31.832Z"}}], "cna": {"title": "RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}, "scenarios": [{"lang": "en", "value": "AV:N - The crash is reached from `nvmet_rdma_queue_connect()`, the handler for an inbound RDMA CM connect request on the NVMe-oF target's listening endpoint; bnxt_re is a RoCE device and RoCEv2 is UDP/IP-encapsulated and fully routable, so a remote off-segment initiator can drive the path.\nAC:L - The divide-by-zero is deterministic \u2014 `sg_info.pgsize` is unconditionally 0 for every kernel-created SRQ \u2014 so the very first connect request from the attacker triggers it with no race, timing, or memory-layout dependency.\nPR:N - SRQ allocation happens in `nvmet_rdma_find_get_device()` at the top of the connect-request handler, before the NVMe fabrics Connect command, host-NQN allow-list checks, or any authentication, so an entirely unauthenticated remote peer reaches it.\nUI:N - The target processes inbound RDMA CM connect requests autonomously; no local user or administrator action is needed once the nvmet-rdma port is listening.\nS:U - The fault is a divide error inside the kernel affecting only the host kernel's own resources, with no crossing of a VM, IOMMU, or other security authority boundary.\nC:N - The zero divisor causes a `#DE` trap before any allocation, pointer arithmetic, or buffer access occurs, so no out-of-bounds read or information disclosure primitive exists.\nI:N - No memory is corrupted or written out of bounds \u2014 the failure is a CPU exception on the division itself, giving no write or control-flow primitive.\nA:H - The divide error Oopses the RDMA CM workqueue thread while `device_list_mutex` and the cma `handler_mutex` are held, permanently deadlocking nvmet-rdma and RDMA connection management, and produces a full kernel panic with `panic_on_oops=1`."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "c07040d450581b50db3311d1348c4018ef704de0", "versionType": "git"}, {"status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "d63d73d045e4874b901ab7b1bde05449659355c7", "versionType": "git"}, {"status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "722c3db62bf60cd23acbdc8c4f445bfedae4498e", "versionType": "git"}, {"status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "2cf8e6b52aecb8fbb71c41fe5add3212814031a2", "versionType": "git"}, {"status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "lessThan": "b66535356a4834a234f99e16a97eb51f2c6c5a7d", "versionType": "git"}], "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"status": "unaffected", "version": "0", "lessThan": "5.7", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.18", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.13.6", "versionType": "semver", "lessThanOrEqual": "6.13.*"}, {"status": "unaffected", "version": "6.14", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/c07040d450581b50db3311d1348c4018ef704de0"}, {"url": "https://git.kernel.org/stable/c/d63d73d045e4874b901ab7b1bde05449659355c7"}, {"url": "https://git.kernel.org/stable/c/722c3db62bf60cd23acbdc8c4f445bfedae4498e"}, {"url": "https://git.kernel.org/stable/c/2cf8e6b52aecb8fbb71c41fe5add3212814031a2"}, {"url": "https://git.kernel.org/stable/c/b66535356a4834a234f99e16a97eb51f2c6c5a7d"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Fix the page details for the srq created by kernel consumers\n\nWhile using nvme target with use_srq on, below kernel panic is noticed.\n\n[ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)\n[ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n..\n[ 566.393799] <TASK>\n[ 566.393807] ? __die_body+0x1a/0x60\n[ 566.393823] ? die+0x38/0x60\n[ 566.393835] ? do_trap+0xe4/0x110\n[ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393881] ? do_error_trap+0x7c/0x120\n[ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393911] ? exc_divide_error+0x34/0x50\n[ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393939] ? asm_exc_divide_error+0x16/0x20\n[ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]\n[ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]\n[ 566.394057] ? srso_return_thunk+0x5/0x5f\n[ 566.394068] ? __init_swait_queue_head+0x4a/0x60\n[ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core]\n[ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]\n[ 566.394174] ? lock_release+0x22c/0x3f0\n[ 566.394187] ? srso_return_thunk+0x5/0x5f\n\nPage size and shift info is set only for the user space SRQs.\nSet page size and page shift for kernel space SRQs also."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.191", "versionStartIncluding": "5.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.160", "versionStartIncluding": "5.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.18", "versionStartIncluding": "5.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.13.6", "versionStartIncluding": "5.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.14", "versionStartIncluding": "5.7"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:20:55.350Z"}}}, "cveMetadata": {"cveId": "CVE-2025-21885", "state": "PUBLISHED", "dateUpdated": "2026-10-30T12:20:55.350Z", "dateReserved": "2024-12-29T08:45:45.782Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-03-27T14:57:13.219Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c07040d450581b50db3311d1348c4018ef704de0", "status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "versionType": "git"}, {"lessThan": "d63d73d045e4874b901ab7b1bde05449659355c7", "status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "versionType": "git"}, {"lessThan": "722c3db62bf60cd23acbdc8c4f445bfedae4498e", "status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "versionType": "git"}, {"lessThan": "2cf8e6b52aecb8fbb71c41fe5add3212814031a2", "status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "versionType": "git"}, {"lessThan": "b66535356a4834a234f99e16a97eb51f2c6c5a7d", "status": "affected", "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.18", "versionType": "semver"}, {"lessThanOrEqual": "6.13.*", "status": "unaffected", "version": "6.13.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.14", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "75BEA3C2-BB86-4FFF-8CDD-B81830C736CA", "versionEndExcluding": "6.12.18", "versionStartIncluding": "5.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64F12D9B-71C2-4CD7-A288-0D5EF1709620", "versionEndExcluding": "6.13.6", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "186716B6-2B66-4BD0-852E-D48E71C0C85F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D3E781C-403A-498F-9DA9-ECEE50F41E75", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*", "matchCriteriaId": "66619FB8-0AAF-4166-B2CF-67B24143261D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*", "matchCriteriaId": "D3D6550E-6679-4560-902D-AF52DCFE905B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Fix the page details for the srq created by kernel consumers\n\nWhile using nvme target with use_srq on, below kernel panic is noticed.\n\n[ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)\n[ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n..\n[ 566.393799] <TASK>\n[ 566.393807] ? __die_body+0x1a/0x60\n[ 566.393823] ? die+0x38/0x60\n[ 566.393835] ? do_trap+0xe4/0x110\n[ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393881] ? do_error_trap+0x7c/0x120\n[ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393911] ? exc_divide_error+0x34/0x50\n[ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393939] ? asm_exc_divide_error+0x16/0x20\n[ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]\n[ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]\n[ 566.394057] ? srso_return_thunk+0x5/0x5f\n[ 566.394068] ? __init_swait_queue_head+0x4a/0x60\n[ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core]\n[ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]\n[ 566.394174] ? lock_release+0x22c/0x3f0\n[ 566.394187] ? srso_return_thunk+0x5/0x5f\n\nPage size and shift info is set only for the user space SRQs.\nSet page size and page shift for kernel space SRQs also."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/bnxt_re: corrige los detalles de la p\u00e1gina para el srq creado por los consumidores del kernel. Al usar el objetivo nvme con use_srq activado, se detecta el siguiente p\u00e1nico del kernel. [ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg desactivado codificaci\u00f3n: cl\u00e1usula 91 RS(544,514) [ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI .. [ 566.393799] [ 566.393807] ? __die_body+0x1a/0x60 [ 566.393823] ? die+0x38/0x60 [ 566.393835] ? do_trap+0xe4/0x110 [ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re] [ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re] [ 566.393881] ? do_error_trap+0x7c/0x120 [ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re] [ 566.393911] ? exc_divide_error+0x34/0x50 [ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re] [ 566.393939] ? asm_exc_divide_error+0x16/0x20 [ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re] [ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re] [ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re] [ 566.394057] ? srso_return_thunk+0x5/0x5f [ 566.394068] ? __init_swait_queue_head+0x4a/0x60 [ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core] [ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma] [ 566.394174] ? lock_release+0x22c/0x3f0 [ 566.394187] ? srso_return_thunk+0x5/0x5f La informaci\u00f3n de tama\u00f1o y desplazamiento de p\u00e1gina se configura solo para las SRQ de espacio de usuario. Tambi\u00e9n se configura para las SRQ de espacio de kernel."}], "id": "CVE-2025-21885", "lastModified": "2026-10-30T13:17:53.363", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "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-2025-21885", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:43:31.014423Z", "version": "2.0.3"}}]}, "published": "2025-03-27T15:15:56.410", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cf8e6b52aecb8fbb71c41fe5add3212814031a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/722c3db62bf60cd23acbdc8c4f445bfedae4498e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b66535356a4834a234f99e16a97eb51f2c6c5a7d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c07040d450581b50db3311d1348c4018ef704de0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d63d73d045e4874b901ab7b1bde05449659355c7"}], "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: RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers", "id": "2355396", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355396"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRDMA/bnxt_re: Fix the page details for the srq created by kernel consumers\nWhile using nvme target with use_srq on, below kernel panic is noticed.\n[ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)\n[ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n..\n[ 566.393799] <TASK>\n[ 566.393807] ? __die_body+0x1a/0x60\n[ 566.393823] ? die+0x38/0x60\n[ 566.393835] ? do_trap+0xe4/0x110\n[ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393881] ? do_error_trap+0x7c/0x120\n[ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393911] ? exc_divide_error+0x34/0x50\n[ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393939] ? asm_exc_divide_error+0x16/0x20\n[ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]\n[ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]\n[ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]\n[ 566.394057] ? srso_return_thunk+0x5/0x5f\n[ 566.394068] ? __init_swait_queue_head+0x4a/0x60\n[ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core]\n[ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]\n[ 566.394174] ? lock_release+0x22c/0x3f0\n[ 566.394187] ? srso_return_thunk+0x5/0x5f\nPage size and shift info is set only for the user space SRQs.\nSet page size and page shift for kernel space SRQs also."], "name": "CVE-2025-21885", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21885\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21885\nhttps://lore.kernel.org/linux-cve-announce/2025032713-CVE-2025-21885-be9d@gregkh/T"], "threat_severity": "Moderate"}

{}