CVE-2024-38663

Description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from resetting io stat Since commit 3b8cc6298724 ("blk-cgroup: Optimize blkcg_rstat_flush()"), each iostat instance is added to blkcg percpu list, so blkcg_reset_stats() can't reset the stat instance by memset(), otherwise the llist may be corrupted. Fix the issue by only resetting the counter part.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• https://git.kernel.org/stable/c/d4a60298ac34f027a09f8f893fdbd9e06279bb24 ↗
• https://git.kernel.org/stable/c/89bb36c72e1951843f9e04dc84412e31fcc849a9 ↗
• https://git.kernel.org/stable/c/6da6680632792709cecf2b006f2fe3ca7857e791 ↗