CVE-2021-4149

Description

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

References

https://lkml.org/lkml/2021/9/13/2565

https://lkml.org/lkml/2021/10/18/885

https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

https://bugzilla.redhat.com/show_bug.cgi?id=2026485

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3