#VU115658 Input validation error in Linux kernel - CVE-2025-39743
Published: September 16, 2025
Vulnerability identifier: #VU115658
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-2025-39743
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 jfs_evict_inode() function in fs/jfs/inode.c. 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/1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3
- https://git.kernel.org/stable/c/2b1d5ca395a5fb170c3f885cd42c16179f7f54ec
- https://git.kernel.org/stable/c/2d91b3765cd05016335cd5df5e5c6a29708ec058
- https://git.kernel.org/stable/c/34d8e982bac48bdcca7524644a8825a580edce74
- https://git.kernel.org/stable/c/5845b926c561b8333cd65169526eec357d7bb449
- https://git.kernel.org/stable/c/89fff8e3d6710fc32507b8e19eb5afa9fb79b896
- https://git.kernel.org/stable/c/8ed7275910fb7177012619864e04d3008763f3ea
- https://git.kernel.org/stable/c/b5b471820c33365a8ccd2d463578bf4e47056c2c
- https://git.kernel.org/stable/c/df3fd8daf278eca365f221749ae5b728e8382a04