SB20250227139 - Use of uninitialized resource in Linux kernel net vxlan driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227139
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2025-21716)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the vxlan_vnifilter_dump() function in drivers/net/vxlan/vxlan_vnifilter.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1693d1fade71646a0731b6b213298cb443d186ea
- https://git.kernel.org/stable/c/5066293b9b7046a906eff60e3949a887ae185a43
- https://git.kernel.org/stable/c/a84d511165d6ba7f331b90ae6b6ce180ec534daa
- https://git.kernel.org/stable/c/cb1de9309a48cc5b771115781eec05075fd67039
- https://git.kernel.org/stable/c/f554bce488605d2f70e06eeab5e4d2448c813713
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13