CVE-2022-50076
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-50076
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50076.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-50076
- Related
- Published
- 2025-06-18T11:15:36Z
- Modified
- 2025-06-18T16:00:24Z
- Downstream
- Summary
- [none]
- Details
-
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 "xfsio", 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: [<00000000ad04e6ea>] cifsclose+0x92/0x2c0 [<0000000028b93c82>] _fput+0xff/0x3f0 [<00000000d8116851>] taskworkrun+0x85/0xc0 [<0000000027e14f9e>] doexit+0x5e5/0x1240 [<00000000fb492b95>] dogroupexit+0x58/0xe0 [<00000000129a32d9>] _x64sysexitgroup+0x28/0x30 [<00000000e3f7d8e9>] dosyscall64+0x35/0x80 [<00000000102e8a0b>] entrySYSCALL64afterhwframe+0x46/0xb0
When cancel the deferred close work, we should also cleanup the struct cifsdeferredclose.
- References
Affected packages
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source