{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-1829","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2023-04-04T10:32:43.055Z","datePublished":"2023-04-12T11:16:59.101Z","dateUpdated":"2025-02-13T16:39:39.975Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"kernel","product":"Linux Kernel","repo":"https://git.kernel.org","vendor":"Linux","versions":[{"lessThanOrEqual":"6.2","status":"affected","version":"3.8","versionType":"custom"}]}],"datePublic":"2023-02-16T08:27:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) <span style=\"background-color: rgb(255, 255, 255);\">can be exploited to achieve local privilege escalation</span>.&nbsp;<span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\">The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.&nbsp;</span></span><span style=\"background-color: var(--wht);\">A local attacker user can use this vulnerability to elevate its privileges to root.<br></span><p><span style=\"background-color: rgb(255, 255, 255);\">We recommend upgrading past commit </span> <a target=\"_blank\" rel=\"nofollow\" href=\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\">8c710f75256bb3cf05ac7b1672c82b92c43f3d28</a>.</p>"}],"value":"A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root.\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28."}],"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2023-06-01T13:06:20.579Z"},"references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28"},{"url":"https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"},{"url":"https://security.netapp.com/advisory/ntap-20230601-0001/"}],"source":{"discovery":"EXTERNAL"},"title":"Use-after-free in tcindex (traffic control index filter) in the Linux Kernel","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T06:05:26.153Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28","tags":["x_transferred"]},{"url":"https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28","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"]},{"url":"https://security.netapp.com/advisory/ntap-20230601-0001/","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-07T15:50:09.128361Z","id":"CVE-2023-1829","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":"2025-02-07T15:50:15.160Z"}}]}}