#VU98974 NULL pointer dereference in Linux kernel - CVE-2024-49850
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98974
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-2024-49850
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_core_apply() function in kernel/bpf/btf.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/dc7ce14f00bcd50641f2110b7a32aa6552e0780f
- https://git.kernel.org/stable/c/2288b54b96dcb55bedebcef3572bb8821fc5e708
- https://git.kernel.org/stable/c/584cd3ff792e1edbea20b2a7df55897159b0be3e
- https://git.kernel.org/stable/c/e7e9c5b2dda29067332df2a85b0141a92b41f218
- https://git.kernel.org/stable/c/3d2786d65aaa954ebd3fcc033ada433e10da21c4
- 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-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54