SB2024071357 - NULL pointer dereference in Linux kernel ipv6
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071357
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-2024-40905)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the rt6_get_pcpu_route() function in net/ipv6/route.c, within the __fib6_drop_pcpu_from() function in net/ipv6/ip6_fib.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/c90af1cced2f669a7b2304584be4ada495eaa0e5
- https://git.kernel.org/stable/c/c693698787660c97950bc1f93a8dd19d8307153d
- https://git.kernel.org/stable/c/a0bc020592b54a8f3fa2b7f244b6e39e526c2e12
- https://git.kernel.org/stable/c/2498960dac9b6fc49b6d1574f7cd1a4872744adf
- https://git.kernel.org/stable/c/7e796c3fefa8b17b30e7252886ae8cffacd2b9ef
- https://git.kernel.org/stable/c/09e5a5a80e205922151136069e440477d6816914
- https://git.kernel.org/stable/c/b01e1c030770ff3b4fe37fc7cc6bca03f594133f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.221
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.279
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35