{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23391", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:46.009Z", "datePublished": "2026-03-25T10:33:15.677Z", "dateUpdated": "2026-03-25T10:33:15.677Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-03-25T10:33:15.677Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_CT: drop pending enqueued packets on template removal\n\nTemplates refer to objects that can go away while packets are sitting in\nnfqueue refer to:\n\n- helper, this can be an issue on module removal.\n- timeout policy, nfnetlink_cttimeout might remove it.\n\nThe use of templates with zone and event cache filter are safe, since\nthis just copies values.\n\nFlush these enqueued packets in case the template rule gets removed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/xt_CT.c"], "versions": [{"version": "24de58f465165298aaa8f286b2592f0163706cfe", "lessThan": "d2d0bae0c9a2a17b6990a2966f5cdce0813d6256", "status": "affected", "versionType": "git"}, {"version": "24de58f465165298aaa8f286b2592f0163706cfe", "lessThan": "63b8097cea1923fe82cd598068d0796da8c015ec", "status": "affected", "versionType": "git"}, {"version": "24de58f465165298aaa8f286b2592f0163706cfe", "lessThan": "19a230dec6bb8928e3f96387f9085cf2c79bcef9", "status": "affected", "versionType": "git"}, {"version": "24de58f465165298aaa8f286b2592f0163706cfe", "lessThan": "cb549925875fa06dd155e49db4ac2c5044c30f9c", "status": "affected", "versionType": "git"}, {"version": "24de58f465165298aaa8f286b2592f0163706cfe", "lessThan": "777d02efe3d630cca4c1b63962cec17c57711325", "status": "affected", "versionType": "git"}, {"version": "24de58f465165298aaa8f286b2592f0163706cfe", "lessThan": "f62a218a946b19bb59abdd5361da85fa4606b96b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/xt_CT.c"], "versions": [{"version": "3.4", "status": "affected"}, {"version": "0", "lessThan": "3.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.20", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.10", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0-rc5", "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": "3.4", "versionEndExcluding": "6.1.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.18.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.19.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "7.0-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256"}, {"url": "https://git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec"}, {"url": "https://git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9"}, {"url": "https://git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c"}, {"url": "https://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325"}, {"url": "https://git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b"}], "title": "netfilter: xt_CT: drop pending enqueued packets on template removal", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_CT: drop pending enqueued packets on template removal\n\nTemplates refer to objects that can go away while packets are sitting in\nnfqueue refer to:\n\n- helper, this can be an issue on module removal.\n- timeout policy, nfnetlink_cttimeout might remove it.\n\nThe use of templates with zone and event cache filter are safe, since\nthis just copies values.\n\nFlush these enqueued packets in case the template rule gets removed."}], "id": "CVE-2026-23391", "lastModified": "2026-03-25T11:16:39.707", "metrics": {}, "published": "2026-03-25T11:16:39.707", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}