CVE-2026-93146

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93146", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.088Z", "datePublished": "2026-09-17T16:11:44.117Z", "dateUpdated": "2026-10-30T12:36:07.785Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:36:07.785Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntime/namespace: Validate nanosecond field in proc_timens_set_offset()\n\nThe function validates tv_sec to be within [-KTIME_SEC_MAX, KTIME_SEC_MAX]\nbut never validates that tv_nsec is within the valid range of\n[0, NSEC_PER_SEC-1] before using it in timespec64_add().\n\ntimespec64_add() expects both timespec64 structures to have normalized\nvalues with tv_nsec in the range [0, 999999999]. If off->val.tv_nsec\ncontains invalid values (negative or >= NSEC_PER_SEC), it could lead to\nincorrect calculations or unexpected behavior.\n\nAdd validation to ensure tv_nsec is within the valid range before\nperforming the addition."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/time/namespace.c"], "versions": [{"version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "lessThan": "ce0dd307dfa3193fbf06371b7c819a6bff7d3d68", "status": "affected", "versionType": "git"}, {"version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "lessThan": "5b8a40de738b7c4896c2edbc6262bd1b3462ded0", "status": "affected", "versionType": "git"}, {"version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "lessThan": "b20d7085ab314672447322c10cc5d1ba443e3b8e", "status": "affected", "versionType": "git"}, {"version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "lessThan": "db667d2970c756cc7b483f45f272440f845a665b", "status": "affected", "versionType": "git"}, {"version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "lessThan": "1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce", "status": "affected", "versionType": "git"}, {"version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "lessThan": "06aba58e58492d2b8eae059274caed29025ea96e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/time/namespace.c"], "versions": [{"version": "5.6", "status": "affected"}, {"version": "0", "lessThan": "5.6", "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": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.6", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ce0dd307dfa3193fbf06371b7c819a6bff7d3d68"}, {"url": "https://git.kernel.org/stable/c/5b8a40de738b7c4896c2edbc6262bd1b3462ded0"}, {"url": "https://git.kernel.org/stable/c/b20d7085ab314672447322c10cc5d1ba443e3b8e"}, {"url": "https://git.kernel.org/stable/c/db667d2970c756cc7b483f45f272440f845a665b"}, {"url": "https://git.kernel.org/stable/c/1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce"}, {"url": "https://git.kernel.org/stable/c/06aba58e58492d2b8eae059274caed29025ea96e"}], "title": "time/namespace: Validate nanosecond field in proc_timens_set_offset()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/time/namespace.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ce0dd307dfa3193fbf06371b7c819a6bff7d3d68", "status": "affected", "version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "versionType": "git"}, {"lessThan": "5b8a40de738b7c4896c2edbc6262bd1b3462ded0", "status": "affected", "version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "versionType": "git"}, {"lessThan": "b20d7085ab314672447322c10cc5d1ba443e3b8e", "status": "affected", "version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "versionType": "git"}, {"lessThan": "db667d2970c756cc7b483f45f272440f845a665b", "status": "affected", "version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "versionType": "git"}, {"lessThan": "1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce", "status": "affected", "version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "versionType": "git"}, {"lessThan": "06aba58e58492d2b8eae059274caed29025ea96e", "status": "affected", "version": "04a8682a71becdb639ec9c0d82b315a2baef7a5d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/time/namespace.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"lessThan": "5.6", "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": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\ntime/namespace: Validate nanosecond field in proc_timens_set_offset()\n\nThe function validates tv_sec to be within [-KTIME_SEC_MAX, KTIME_SEC_MAX]\nbut never validates that tv_nsec is within the valid range of\n[0, NSEC_PER_SEC-1] before using it in timespec64_add().\n\ntimespec64_add() expects both timespec64 structures to have normalized\nvalues with tv_nsec in the range [0, 999999999]. If off->val.tv_nsec\ncontains invalid values (negative or >= NSEC_PER_SEC), it could lead to\nincorrect calculations or unexpected behavior.\n\nAdd validation to ensure tv_nsec is within the valid range before\nperforming the addition."}], "id": "CVE-2026-93146", "lastModified": "2026-10-30T13:20:58.310", "metrics": {}, "published": "2026-09-17T17:18:09.757", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06aba58e58492d2b8eae059274caed29025ea96e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b8a40de738b7c4896c2edbc6262bd1b3462ded0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b20d7085ab314672447322c10cc5d1ba443e3b8e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce0dd307dfa3193fbf06371b7c819a6bff7d3d68"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/db667d2970c756cc7b483f45f272440f845a665b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[04a8682a71becdb639ec9c0d82b315a2baef7a5d,db667d2970c756cc7b483f45f272440f845a665b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[04a8682a71becdb639ec9c0d82b315a2baef7a5d,1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[04a8682a71becdb639ec9c0d82b315a2baef7a5d,06aba58e58492d2b8eae059274caed29025ea96e)"}}], "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": "5.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T08:45:06.629913+00:00", "updated": "2026-09-19T19:00:13.887402+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20"]}