{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-1281","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2023-03-08T20:18:23.204Z","datePublished":"2023-03-22T13:18:55.460Z","dateUpdated":"2026-07-30T16:28:51.624Z"},"containers":{"cna":{"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2026-07-30T16:28:51.624Z"},"title":"UAF in Linux kernel's tcindex (traffic control index filter) implementation","datePublic":"2023-02-09T15:37:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-416","description":"CWE-416 Use After Free","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"affected":[{"vendor":"Linux","product":"Linux Kernel","platforms":["Linux"],"packageName":"kernel","repo":"https://git.kernel.org","versions":[{"status":"affected","version":"4.14.0","lessThan":"5.10.169","versionType":"semver"},{"status":"affected","version":"5.11.0","lessThan":"5.15.95","versionType":"semver"},{"status":"affected","version":"5.16.0","lessThan":"6.1.13","versionType":"semver"},{"status":"unaffected","version":"6.2.0","versionType":"semver"},{"status":"unaffected","version":"ee059170b1f7e94e55fa6cadee544e176a6e59c2","versionType":"git"}],"defaultStatus":"unaffected","cpes":["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root.\n\n\nThis issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.","supportingMedia":[{"type":"text/html","base64":false,"value":"Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation.&nbsp;<span>The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext.</span>&nbsp;<span>A local attacker user can use this vulnerability to elevate its privileges to root.<br></span><p>This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.</p>"}]}],"references":[{"url":"https://kernel.dance/#ee059170b1f7e94e55fa6cadee544e176a6e59c2"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee059170b1f7e94e55fa6cadee544e176a6e59c2"},{"url":"http://www.openwall.com/lists/oss-security/2023/04/11/3"},{"url":"https://security.netapp.com/advisory/ntap-20230427-0004/"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"credits":[{"lang":"en","value":"valis","user":"00000000-0000-4000-9000-000000000000","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T05:40:59.846Z"},"title":"CVE Program Container","references":[{"url":"https://kernel.dance/#ee059170b1f7e94e55fa6cadee544e176a6e59c2","tags":["x_transferred"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee059170b1f7e94e55fa6cadee544e176a6e59c2","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2023/04/11/3","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230427-0004/","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-03-05T18:43:38.013720Z","id":"CVE-2023-1281","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-03-05T19:22:29.884Z"}}]}}