{
"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. 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.
This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.
" } ] } ], "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" } } ] } }