{"cve":"CVE-2022-49259","nvd":{"published":"2025-02-26T07:01:02.850","modified":"2026-06-17T05:17:31.957","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0b5924a14d64487ebd51127b0358d06066ef5384","https://git.kernel.org/stable/c/0f69288253e9fc7c495047720e523b9f1aba5712","https://git.kernel.org/stable/c/3d7e32c8da45957326f56937e0471c686d1a7711","https://git.kernel.org/stable/c/84fe3ca6e7910beb47ec13509d484f84fa2a41ad","https://git.kernel.org/stable/c/b2001eb10f59363da930cdd6e086a2861986fa18"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49259","score":0.00269,"percentile":0.19181,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}