CVE-2022-49280
Critical
NFSD: prevent underflow in nfssvc_decode_writeargs()
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.
Exploit probability
0.7%
Published
February 26, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-49280
View original source
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/184416d4b98509fb4c3d8fc3d6dc1437896cc159
- https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae
- https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65
- https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49280.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49280