SB20250226564 - Double free in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226564
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) Double free (CVE-ID: CVE-2022-49345)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the xfrm4_protocol_init() function in net/ipv4/xfrm4_protocol.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/2b253fbc9f7b5db18d716436bdcf8ecef09fd63d
- https://git.kernel.org/stable/c/31f3c6a4dcd3260a386e62cef2d5b36e902600a1
- https://git.kernel.org/stable/c/4a388f08d8784af48f352193d2b72aaf167a57a1
- https://git.kernel.org/stable/c/85a055c03691e51499123194a14a0c249cf33227
- https://git.kernel.org/stable/c/be3884d5cd04ccd58294b83a02d70b7c5fca19d3
- https://git.kernel.org/stable/c/c58d82a1264813e69119c13e9804e2e60b664ad5
- https://git.kernel.org/stable/c/e04d59cfe0c0129df7aba7ef7bb17b96be2a64f2
- https://git.kernel.org/stable/c/e53cd3814504b2cadaba4d5a8a07eeea9ddacd03
- https://git.kernel.org/stable/c/ef6d2354de238b065d8799c80da4be9a6af18e39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198