SB20240531533 - NULL pointer dereference in Linux kernel net
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531533
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-2024-26626)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the udp_queue_rcv_one_skb() function in net/ipv4/udp.c, within the raw_rcv_skb() function in net/ipv4/raw.c, within the ipmr_cache_report() function in net/ipv4/ipmr.c, within the ipv4_pktinfo_prepare() function in net/ipv4/ip_sockglue.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/d2f1b7fe74afd66298dbb3c7b39e7b62e4df1724
- https://git.kernel.org/stable/c/dcaafdba6c6162bb49f1192850bc3bbc3707738c
- https://git.kernel.org/stable/c/2e8c9ae40adda2be1ba41c05fd3cd1e61cce3207
- https://git.kernel.org/stable/c/e622502c310f1069fd9f41cd38210553115f610a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8