#VU115496 Improper locking in Linux kernel - CVE-2025-39749
Published: September 16, 2025
Vulnerability identifier: #VU115496
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-2025-39749
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 kernel/rcu/tree_plugin.h. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0ad84d62217488e679ecc90e8628980dcc003de3
- https://git.kernel.org/stable/c/55e11f6776798b27cf09a7aa0d718415d4fc9cf5
- https://git.kernel.org/stable/c/74f58f382a7c8333f8d09701aefaa25913bdbe0e
- https://git.kernel.org/stable/c/90c09d57caeca94e6f3f87c49e96a91edd40cbfd
- https://git.kernel.org/stable/c/90de9c94ea72327cfa9c2c9f6113c23a513af60b
- https://git.kernel.org/stable/c/b55947b725f190396f475d5d0c59aa855a4d8895
- https://git.kernel.org/stable/c/b5de8d80b5d049f051b95d9b1ee50ae4ab656124
- https://git.kernel.org/stable/c/e35e711c78c8a4c43330c0dcb1c4d507a19c20f4
- https://git.kernel.org/stable/c/f937759c7432d6151b73e1393b6517661813d506