SB2024102259 - NULL pointer dereference in Linux kernel ipv4
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102259
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) NULL pointer dereference (CVE-ID: CVE-2024-49979)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the tcp6_gso_segment() function in net/ipv6/tcpv6_offload.c, within the tcp4_gso_segment() function in net/ipv4/tcp_offload.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/3fdd8c83e83fa5e82f1b5585245c51e0355c9f46
- https://git.kernel.org/stable/c/2d4a83a44428de45bfe9dccb0192a3711d1097e0
- https://git.kernel.org/stable/c/17bd3bd82f9f79f3feba15476c2b2c95a9b11ff8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12