#VU108885 Integer underflow in Linux kernel - CVE-2025-37856

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Main Vulnerability Database Vulnerabilities #VU108885

#VU108885 Integer underflow in Linux kernel - CVE-2025-37856

Published: May 9, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU108885
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-37856
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the btrfs_put_transaction() and btrfs_cleanup_pending_block_groups() functions in fs/btrfs/transaction.c, within the btrfs_finish_extent_commit() function in fs/btrfs/extent-tree.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.

External links