🛡️ CVE-2022-50076
🟡 CVSS 5.5 — Medium ✅ No Known Exploit CWE-401 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as below: unreferenced object 0xffff8881767d6200 (size 64): comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s) hex dump (first 32 bytes): 80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c.... 00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............ backtrace: [] cifs_close+0x92/0x2c0 [] __fput+0xff/0x3f0 [] task_work_run+0x85/0xc0 [] do_exit+0x5e5/0x1240 [] do_group_exit+0x58/0xe0 [] __x64_sys_exit_group+0x28/0x30 [] do_syscall_64+0x35/0x80 [] entry_SYSCALL_64_after_hwframe+0x46/0xb0 When cancel the deferred close work, we should also cleanup the struct cifs_deferred_close.

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2025-06-18
Updated 2026-06-08
Modified 2025-11-17

Affected Packages

Software From version Fixed in
linux-kernel — —

Similar Threats

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