CVE-2021-4149

Summary

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.

Affected Software

Weaknesses

• CWE-667: CWE-667

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.redhat.com/show_bug.cgi?id=2026485
• https://lkml.org/lkml/2021/10/18/885
• https://lkml.org/lkml/2021/9/13/2565
• https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2026485
• https://lkml.org/lkml/2021/10/18/885
• https://lkml.org/lkml/2021/9/13/2565
• https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

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