{"id":"CVE-2022-50148","summary":"kernfs: fix potential NULL dereference in __kernfs_remove","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nkernfs: fix potential NULL dereference in __kernfs_remove\n\nWhen lockdep is enabled, lockdep_assert_held_write would\ncause potential NULL pointer dereference.\n\nFix the following smatch warnings:\n\nfs/kernfs/dir.c:1353 __kernfs_remove() warn: variable dereferenced before check 'kn' (see line 1346)","modified":"2026-05-15T11:53:18.960610909Z","published":"2025-06-18T11:03:08.462Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50148.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50148.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50148"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.17.0"},{"fixed":"5.18.18"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.19.0"},{"fixed":"5.19.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50148.json"}}],"schema_version":"1.7.5"}