CVE-2026-68292

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68292", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.380Z", "datePublished": "2026-08-10T12:02:25.414Z", "dateUpdated": "2026-08-17T05:02:28.011Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:02:28.011Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: prevent tstamp ring allocation for non-PF VSI types\n\nThe pf->txtime_txqs bitmap tracks which Tx queues have ETF (Earliest\nTxTime First) offload enabled. This bitmap is indexed by queue number\nand is set by ice_offload_txtime(), which only operates on PF VSI\nqueues.\n\nHowever, ice_is_txtime_ena() does not check the VSI type before\nconsulting the bitmap. When ETF offload is enabled on PF Tx queue 0,\nbit 0 is set in pf->txtime_txqs. During a subsequent PCI reset\nrebuild, the CTRL VSI's Tx queue 0 is reconfigured and\nice_is_txtime_ena() is called for that ring. Since it only checks\npf->txtime_txqs by queue index without distinguishing VSI type, it\nfinds bit 0 set and returns true, matching the PF VSI's ETF queue,\nnot the CTRL VSI's. This causes ice_vsi_cfg_txq() to spuriously\nallocate a tstamp_ring for the CTRL VSI ring.\n\nSince CTRL VSI rings have no associated netdev, ice_clean_tx_ring()\ntakes an early return at the !netdev check before reaching\nice_free_tx_tstamp_ring(), leaking the allocation. Each PCI reset\nleaks one 64-byte tstamp_ring.\n\nFix this by restricting ice_is_txtime_ena() to return true only for\nPF VSI rings, since txtime_txqs is only meaningful for PF VSI queues."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/ice/ice.h"], "versions": [{"version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "lessThan": "684d4d0bda95a3fb21b3e29ff0f668f657707b54", "status": "affected", "versionType": "git"}, {"version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "lessThan": "d0a21604c6abfa4956f3a511a1de174cec77a812", "status": "affected", "versionType": "git"}, {"version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "lessThan": "144539bbfd3cea1ab0fb6f5216d6004c1f4f029b", "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/intel/ice/ice.h"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.18", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/684d4d0bda95a3fb21b3e29ff0f668f657707b54"}, {"url": "https://git.kernel.org/stable/c/d0a21604c6abfa4956f3a511a1de174cec77a812"}, {"url": "https://git.kernel.org/stable/c/144539bbfd3cea1ab0fb6f5216d6004c1f4f029b"}], "title": "ice: prevent tstamp ring allocation for non-PF VSI types", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/ice/ice.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "684d4d0bda95a3fb21b3e29ff0f668f657707b54", "status": "affected", "version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "versionType": "git"}, {"lessThan": "d0a21604c6abfa4956f3a511a1de174cec77a812", "status": "affected", "version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "versionType": "git"}, {"lessThan": "144539bbfd3cea1ab0fb6f5216d6004c1f4f029b", "status": "affected", "version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/ice/ice.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: prevent tstamp ring allocation for non-PF VSI types\n\nThe pf->txtime_txqs bitmap tracks which Tx queues have ETF (Earliest\nTxTime First) offload enabled. This bitmap is indexed by queue number\nand is set by ice_offload_txtime(), which only operates on PF VSI\nqueues.\n\nHowever, ice_is_txtime_ena() does not check the VSI type before\nconsulting the bitmap. When ETF offload is enabled on PF Tx queue 0,\nbit 0 is set in pf->txtime_txqs. During a subsequent PCI reset\nrebuild, the CTRL VSI's Tx queue 0 is reconfigured and\nice_is_txtime_ena() is called for that ring. Since it only checks\npf->txtime_txqs by queue index without distinguishing VSI type, it\nfinds bit 0 set and returns true, matching the PF VSI's ETF queue,\nnot the CTRL VSI's. This causes ice_vsi_cfg_txq() to spuriously\nallocate a tstamp_ring for the CTRL VSI ring.\n\nSince CTRL VSI rings have no associated netdev, ice_clean_tx_ring()\ntakes an early return at the !netdev check before reaching\nice_free_tx_tstamp_ring(), leaking the allocation. Each PCI reset\nleaks one 64-byte tstamp_ring.\n\nFix this by restricting ice_is_txtime_ena() to return true only for\nPF VSI rings, since txtime_txqs is only meaningful for PF VSI queues."}], "id": "CVE-2026-68292", "lastModified": "2026-08-17T05:18:31.873", "metrics": {}, "published": "2026-08-10T13:20:18.583", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/144539bbfd3cea1ab0fb6f5216d6004c1f4f029b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/684d4d0bda95a3fb21b3e29ff0f668f657707b54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0a21604c6abfa4956f3a511a1de174cec77a812"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ice: prevent tstamp ring allocation for non-PF VSI types", "id": "2513406", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513406"}, "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-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: prevent tstamp ring allocation for non-PF VSI types\nThe pf->txtime_txqs bitmap tracks which Tx queues have ETF (Earliest\nTxTime First) offload enabled. This bitmap is indexed by queue number\nand is set by ice_offload_txtime(), which only operates on PF VSI\nqueues.\nHowever, ice_is_txtime_ena() does not check the VSI type before\nconsulting the bitmap. When ETF offload is enabled on PF Tx queue 0,\nbit 0 is set in pf->txtime_txqs. During a subsequent PCI reset\nrebuild, the CTRL VSI's Tx queue 0 is reconfigured and\nice_is_txtime_ena() is called for that ring. Since it only checks\npf->txtime_txqs by queue index without distinguishing VSI type, it\nfinds bit 0 set and returns true, matching the PF VSI's ETF queue,\nnot the CTRL VSI's. This causes ice_vsi_cfg_txq() to spuriously\nallocate a tstamp_ring for the CTRL VSI ring.\nSince CTRL VSI rings have no associated netdev, ice_clean_tx_ring()\ntakes an early return at the !netdev check before reaching\nice_free_tx_tstamp_ring(), leaking the allocation. Each PCI reset\nleaks one 64-byte tstamp_ring.\nFix this by restricting ice_is_txtime_ena() to return true only for\nPF VSI rings, since txtime_txqs is only meaningful for PF VSI queues.", "A flaw was found in the Linux kernel's `ice` driver. During a Peripheral Component Interconnect (PCI) reset, the driver incorrectly allocates a timestamp ring due to a faulty check of the Virtual Station Interface (VSI) type. This allocated memory is not properly released, leading to a memory leak. Repeated PCI resets could exhaust system resources, potentially causing a Denial of Service (DoS)."], "name": "CVE-2026-68292", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68292\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68292\nhttps://lore.kernel.org/linux-cve-announce/2026081028-CVE-2026-68292-559b@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ccde82e909467abdf098a8ee6f63e1ecf9a47ce5,684d4d0bda95a3fb21b3e29ff0f668f657707b54)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ccde82e909467abdf098a8ee6f63e1ecf9a47ce5,d0a21604c6abfa4956f3a511a1de174cec77a812)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ccde82e909467abdf098a8ee6f63e1ecf9a47ce5,144539bbfd3cea1ab0fb6f5216d6004c1f4f029b)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T15:30:05.872309+00:00", "updated": "2026-08-13T07:45:17.028790+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}