{"cve":"CVE-2022-50076","nvd":{"published":"2025-06-18T11:15:36.513","modified":"2026-06-17T05:22:42.650","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory leak on the deferred close\n\nxfstests on smb21 report kmemleak as below:\n\n  unreferenced object 0xffff8881767d6200 (size 64):\n    comm \"xfs_io\", pid 1284, jiffies 4294777434 (age 20.789s)\n    hex dump (first 32 bytes):\n      80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff  .Z......x..c....\n      00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00  .q.v............\n    backtrace:\n      [<00000000ad04e6ea>] cifs_close+0x92/0x2c0\n      [<0000000028b93c82>] __fput+0xff/0x3f0\n      [<00000000d8116851>] task_work_run+0x85/0xc0\n      [<0000000027e14f9e>] do_exit+0x5e5/0x1240\n      [<00000000fb492b95>] do_group_exit+0x58/0xe0\n      [<00000000129a32d9>] __x64_sys_exit_group+0x28/0x30\n      [<00000000e3f7d8e9>] do_syscall_64+0x35/0x80\n      [<00000000102e8a0b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen cancel the deferred close work, we should also cleanup the struct\ncifs_deferred_close.","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":["CWE-401"],"references":["https://git.kernel.org/stable/c/60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5","https://git.kernel.org/stable/c/860efae127888ae535bc4eda1b7f27642727c69e","https://git.kernel.org/stable/c/ca08d0eac020d48a3141dbec0a3cf64fbdb17cde"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2022-50076","score":0.00191,"percentile":0.08786,"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."]}