SB20241022318 - Input validation error in Linux kernel ipv4
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022318
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-2022-48999)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ipv4_fcnal() function in tools/testing/selftests/net/fib_nexthops.sh, within the fib_nh_match() function in net/ipv4/fib_semantics.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/cc3cd130ecfb8b0ae52e235e487bae3f16a24a32
- https://git.kernel.org/stable/c/0b5394229ebae09afc07aabccb5ffd705ffd250e
- https://git.kernel.org/stable/c/25174d91e4a32a24204060d283bd5fa6d0ddf133
- https://git.kernel.org/stable/c/bb20a2ae241be846bc3c11ea4b3a3c69e41d51f2
- https://git.kernel.org/stable/c/61b91eb33a69c3be11b259c5ea484505cd79f883
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1