Critical severity · published Feb 26, 2025
CVE-2022-49362
NFSD: Fix potential use-after-free in nfsd_file_put()
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
NFSD: Fix potential use-after-free in nfsd_file_put()
nfsd_file_put_noref() can free @nf, so don't dereference @nf
immediately upon return from nfsd_file_put_noref().
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.18 before 5.18.4; 5.19 · source: NVD
LI
Linux · Linux
9862064ca81f9b9da8ebe26c86cf2b10c293ba1a before ada1757b259f353cade47037ee0a0249b4cddad3; a98e5b3d958ac697aafb3d077eb2cca4a731b7ee before 261eabe19cb28e4a8587a4442d257b543d7c2d57; 999397926ab3f78c7d1235cc4ca6e3c89d2769bf before 333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57; 999397926ab3f78c7d1235cc4ca6e3c89d2769bf before b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01; 5.18 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-49362
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-49362
Patch
https://git.kernel.org/stable/c/261eabe19cb28e4a8587a4442d257b543d7c2d57
Patch
https://git.kernel.org/stable/c/333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57
Patch
https://git.kernel.org/stable/c/ada1757b259f353cade47037ee0a0249b4cddad3
Patch
https://git.kernel.org/stable/c/b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01
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