CVE-2024-56582

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.0-rc6-kts+

Description A use-after-free vulnerability has been identified in the Linux kernel, specifically in the btrfs encoded read endio() function. This issue was reported by Shinichiro and occurs when running fstests' btrfs/284 on a TCMU runner device. The vulnerability is caused by a slab-use-after-free error in the lock release() function. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

Technical details about exploitation include:

Recommendations To resolve the issue, update the Linux kernel to a version that includes the fix for the use-after-free vulnerability in the btrfs encoded read endio() function. As a temporary workaround, consider disabling the btrfs encoded read endio() function until a patch is available.