{"id":"CVE-2022-49259","summary":"block: don't delete queue kobject before its children","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: don't delete queue kobject before its children\n\nkobjects aren't supposed to be deleted before their child kobjects are\ndeleted.  Apparently this is usually benign; however, a WARN will be\ntriggered if one of the child kobjects has a named attribute group:\n\n    sysfs group 'modes' not found for kobject 'crypto'\n    WARNING: CPU: 0 PID: 1 at fs/sysfs/group.c:278 sysfs_remove_group+0x72/0x80\n    ...\n    Call Trace:\n      sysfs_remove_groups+0x29/0x40 fs/sysfs/group.c:312\n      __kobject_del+0x20/0x80 lib/kobject.c:611\n      kobject_cleanup+0xa4/0x140 lib/kobject.c:696\n      kobject_release lib/kobject.c:736 [inline]\n      kref_put include/linux/kref.h:65 [inline]\n      kobject_put+0x53/0x70 lib/kobject.c:753\n      blk_crypto_sysfs_unregister+0x10/0x20 block/blk-crypto-sysfs.c:159\n      blk_unregister_queue+0xb0/0x110 block/blk-sysfs.c:962\n      del_gendisk+0x117/0x250 block/genhd.c:610\n\nFix this by moving the kobject_del() and the corresponding\nkobject_uevent() to the correct place.","modified":"2026-04-02T08:27:26.560050Z","published":"2025-02-26T01:56:12.046Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1","SUSE-SU-2025:1293-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49259.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b5924a14d64487ebd51127b0358d06066ef5384"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0f69288253e9fc7c495047720e523b9f1aba5712"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d7e32c8da45957326f56937e0471c686d1a7711"},{"type":"WEB","url":"https://git.kernel.org/stable/c/84fe3ca6e7910beb47ec13509d484f84fa2a41ad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b2001eb10f59363da930cdd6e086a2861986fa18"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf0cb8686e55d9c022944bc6ba9e19e832889e83"},{"type":"WEB","url":"https://git.kernel.org/stable/c/efaa0e969261e97c1fdd8e0338e5dd3ba5b9219c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49259.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49259"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2c2086afc2b8b974fac32cb028e73dc27bfae442"},{"fixed":"b2001eb10f59363da930cdd6e086a2861986fa18"},{"fixed":"84fe3ca6e7910beb47ec13509d484f84fa2a41ad"},{"fixed":"0b5924a14d64487ebd51127b0358d06066ef5384"},{"fixed":"efaa0e969261e97c1fdd8e0338e5dd3ba5b9219c"},{"fixed":"cf0cb8686e55d9c022944bc6ba9e19e832889e83"},{"fixed":"3d7e32c8da45957326f56937e0471c686d1a7711"},{"fixed":"0f69288253e9fc7c495047720e523b9f1aba5712"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49259.json"}}],"schema_version":"1.7.5"}