SB20250226721 - Buffer overflow in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226721
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) Buffer overflow (CVE-ID: CVE-2022-49340)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the ipgre_xmit() function in net/ipv4/ip_gre.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/0c92d813c7c9ca2212ecd879232e7d87362fce98
- https://git.kernel.org/stable/c/0ffa268724656633af5f37a38c212326d98ebe8c
- https://git.kernel.org/stable/c/3d08bc3a5d9b2106f5c8bcf1adb73147824aa006
- https://git.kernel.org/stable/c/7596bd7920985f7fc8579a92e48bc53ce4475b21
- https://git.kernel.org/stable/c/8d21e9963bec1aad2280cdd034c8993033ef2948
- https://git.kernel.org/stable/c/e6b6f98fc7605c06c0a3baa70f62c534d7b4ce58
- https://git.kernel.org/stable/c/fbeb8dfa8b87ef259eef0c89e39b53962a3cf604
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.122