{"id":"CVE-2022-3635","title":"A vulnerability, which was classified as critical, has been found in Linux Kernel","summary":"A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation leads to use after free. It i…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-119","CWE-362"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.12, < 4.9.326","linux_kernel >= 4.10, < 4.14.291","linux_kernel >= 4.15, < 4.19.256","linux_kernel >= 4.20, < 5.4.211","linux_kernel >= 5.5, < 5.10.138","linux_kernel >= 5.11, < 5.15.63","linux_kernel >= 5.16, < 5.19.4","debian_linux = 10.0"],"patched":["linux_kernel 5.19.4"],"published":"2022-10-21","updated":"2026-10-14","sourceUpdated":"2026-10-14T14:17:27.017","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-3635","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/?id=3f4093e2bf4673f218c0bf17d8362337c400e77b","label":"cna@vuldb.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.211934","label":"cna@vuldb.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/?id=3f4093e2bf4673f218c0bf17d8362337c400e77b","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.211934","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00426,"epssPercentile":0.3506,"ingestedAt":"2026-10-14T15:36:13.925Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2025-04-14T16:59:17.924201Z"},"slug":"CVE-2022-3635","body":"## Overview\n\nA vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. VDB-211934 is the identifier assigned to this vulnerability.\n\n## Affected\n\n- `linux_kernel >= 2.6.12, < 4.9.326`\n- `linux_kernel >= 4.10, < 4.14.291`\n- `linux_kernel >= 4.15, < 4.19.256`\n- `linux_kernel >= 4.20, < 5.4.211`\n- `linux_kernel >= 5.5, < 5.10.138`\n- `linux_kernel >= 5.11, < 5.15.63`\n- `linux_kernel >= 5.16, < 5.19.4`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.19.4`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221279,"id":"CVE-2022-3635","ts":1792031033474,"field":"exploit_available","old":"false","new":"true"}]}