SB20241230288 - Input validation error in Linux kernel core
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230288
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-2024-56720)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the sk_msg_shift_left() and BPF_CALL_4() functions in net/core/filter.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/275a9f3ef8fabb0cb282a62b9e164dedba7284c5
- https://git.kernel.org/stable/c/5d609ba262475db450ba69b8e8a557bd768ac07a
- https://git.kernel.org/stable/c/785180bed9879680d8e5c5e1b54c8ae8d948f4c8
- https://git.kernel.org/stable/c/98c7ea7d11f2588e8197db042e0291e4ac8f8346
- https://git.kernel.org/stable/c/d26d977633d1d0b8bf9407278189bd0a8d973323
- https://git.kernel.org/stable/c/d3f5763b3062514a234114e97bbde74d8d702449
- https://git.kernel.org/stable/c/e1f54c61c4c9a5244eb8159dce60d248f7d97b32
- https://git.kernel.org/stable/c/f58d3aa457e77a3d9b3df2ab081dcf9950f6029f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120