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CVE-2021-4149

CVE-2021-4149

EPSS 0.4%CWE-667
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 products
n/a · kernel

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