#VU115554 Infinite loop in Linux kernel - CVE-2025-39738
Published: September 16, 2025
Vulnerability identifier: #VU115554
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-2025-39738
CWE-ID: CWE-835
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 infinite loop within the create_reloc_root() function in fs/btrfs/relocation.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/125e94a4b76b7b75d194f85bedd628097d2121f0
- https://git.kernel.org/stable/c/39a93e1c9dbf7e11632efeb20fcf0fc1dcf64d51
- https://git.kernel.org/stable/c/4289b494ac553e74e86fed1c66b2bf9530bc1082
- https://git.kernel.org/stable/c/4e403bd8e127d40dc7c05f06ee969c1ba1537ec5
- https://git.kernel.org/stable/c/f83d4c81bda3b7d1813268ab77408f7a0ce691ff
- https://git.kernel.org/stable/c/fa086b1398cf7e5f7dee7241bd5f2855cb5df8dc
- https://git.kernel.org/stable/c/fcb1f77b8ed8795608ca7a1f6505e2b07236c1f3