SB20250226621 - Integer underflow in Linux kernel nfsd
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226621
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer underflow (CVE-ID: CVE-2022-49280)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the nfsd_proc_write() function in fs/nfsd/nfsproc.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/184416d4b98509fb4c3d8fc3d6dc1437896cc159
- https://git.kernel.org/stable/c/1a33e0de60feda402d05ac8a6cf409c19ea3e0b3
- https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae
- https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65
- https://git.kernel.org/stable/c/438068f4912183a59fcb6b7496a06437f7fd4e2b
- https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d
- https://git.kernel.org/stable/c/65e21cc042f4c1518c8c55283f53bc725b78419d
- https://git.kernel.org/stable/c/85259340fc9bd54e3d567b41b881ecb4d0055da1
- https://git.kernel.org/stable/c/9f0f048c1bfa7867d565a95fd8c28f4484ba1043
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.238