{"id":"CVE-2022-3621","title":"A vulnerability was found in Linux Kernel","summary":"A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereferen…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-404","CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel","debian_linux = 10.0"],"published":"2022-10-20","updated":"2026-10-14","sourceUpdated":"2026-10-14T14:17:25.263","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-3621","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=21a87d88c2253350e115029f14fe2a10a7e6c856","label":"cna@vuldb.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"cna@vuldb.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.211920","label":"cna@vuldb.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=21a87d88c2253350e115029f14fe2a10a7e6c856","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://lists.debian.org/debian-lts-announce/2022/12/msg00034.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.211920","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"],"epss":0.01725,"epssPercentile":0.77358,"ingestedAt":"2026-10-14T15:36:13.923Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-04-14T17:08:09.725689Z"},"slug":"CVE-2022-3621","body":"## Overview\n\nA vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211920.\n\n## Affected\n\n- `linux_kernel`\n- `debian_linux = 10.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}