PT-2025-54009 · Linux+2 · Linux Kernel+2

Published

2023-01-01

·

Updated

2026-05-26

·

CVE-2023-54180

None

No severity ratings or metrics are available. When they are, we'll update the corresponding info on the page.
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.10-2 Description The Linux kernel contained a flaw within the btrfs subsystem related to handling device replacement during repair operations. Specifically, a bug report indicated a kernel panic (BUG ON()) triggered when replacing an unreliable disk. This occurred because the code attempted to write back repaired sectors to the failed device during a dev-replace operation, leading to a mismatch in mirror numbers. The issue stemmed from modifications to the bioc->mirror num within the btrfs map block() function during device replacement, causing the BUG ON() check to fail. The root cause was attempting repair operations on a device that was still undergoing replacement, where the expected data hadn't yet been written. Recommendations Update to Linux kernel version 6.0.10-2 or later.

Exploit

Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

CVE-2023-54180

Affected Products

Debian
Linux Kernel
Btrfs