SB20250916295 - Infinite loop in Linux kernel btrfs
Published: September 16, 2025
Security Bulletin ID
SB20250916295
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2025-39738)
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 website.
References
- 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