NULL pointer dereference in Linux kernel - CVE-2024-26611
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90628
CSH Severity: 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-2024-26611
CWE-ID: CWE-476
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 NULL pointer dereference within the bpf_sk_base_func_proto(), bpf_xdp_frags_increase_tail() and bpf_xdp_frags_shrink_tail() 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/82ee4781b8200e44669a354140d5c6bd966b8768
- https://git.kernel.org/stable/c/5cd781f7216f980207af09c5e0e1bb1eda284540
- https://git.kernel.org/stable/c/c5114710c8ce86b8317e9b448f4fd15c711c2a82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8