SB20241022150 - Input validation error in Linux kernel bridge
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022150
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) Input validation error (CVE-ID: CVE-2024-50045)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the br_nf_dev_queue_xmit() function in net/bridge/br_netfilter_hooks.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/cce8419b8168f6e7eb637103a47f916f3de8bc81
- https://git.kernel.org/stable/c/95c0cff5a1a5d28bf623b92eb5d1a8f56ed30803
- https://git.kernel.org/stable/c/78ed917133b118661e1fe62d4a85d5d428ee9568
- https://git.kernel.org/stable/c/3453f5839420bfbb85c86c61e49f49ffd0f041c4
- https://git.kernel.org/stable/c/915717e0bb9837cc5c101bc545af487bd787239e
- https://git.kernel.org/stable/c/f9ff7665cd128012868098bbd07e28993e314fdb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57