#VU102266 Input validation error in Linux kernel - CVE-2024-56720
Published: December 30, 2024 / Updated: May 11, 2025
Vulnerability identifier: #VU102266
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-56720
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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