SB2025042293 - NULL pointer dereference in Linux kernel ipv6
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025042293
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-2025-22063)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the calipso_sock_getattr() and calipso_sock_setattr() functions in net/ipv6/calipso.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/078aabd567de3d63d37d7673f714e309d369e6e2
- https://git.kernel.org/stable/c/172a8a996a337206970467e871dd995ac07640b1
- https://git.kernel.org/stable/c/1927d0bcd5b81e80971bf6b8eba267508bd1c78b
- https://git.kernel.org/stable/c/1ad9166cab6a0f5c0b10344a97bdf749ae11dcbf
- https://git.kernel.org/stable/c/1e38f7a6cdd68377f8a4189b2fbaec14a6dd5152
- https://git.kernel.org/stable/c/3ba9cf69de50e8abed32b448616c313baa4c5712
- https://git.kernel.org/stable/c/797e5371cf55463b4530bab3fef5f27f7c6657a8
- https://git.kernel.org/stable/c/9fe3839588db7519030377b7dee3f165e654f6c5
- https://git.kernel.org/stable/c/a7e89541d05b98c79a51c0f95df020f8e82b62ed
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.180