#VU108878 Improper locking in Linux kernel - CVE-2025-37884
Published: May 9, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108878
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-2025-37884
CWE-ID: CWE-667
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 locking within the __set_printk_clr_event() and bpf_get_trace_vprintk_proto() functions in kernel/trace/bpf_trace.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/255cbc9db7067a83713fd2f4b31034ddd266549a
- https://git.kernel.org/stable/c/45286680b385f2592db3003554872388dee66d68
- https://git.kernel.org/stable/c/4580f4e0ebdf8dc8d506ae926b88510395a0c1d1
- https://git.kernel.org/stable/c/b5a528a34e1f613565115a7a6016862ccbfcb9ac
- https://git.kernel.org/stable/c/c5c833f6375f8ecf9254dd27946c927c7d645421
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.26