Improper Locking Affecting kernel-rt-kvm package, versions *
Threat Intelligence
EPSS
0.05% (22nd
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRTKVM-2323596
- published 22 Dec 2021
- disclosed 18 Oct 2021
Introduced: 18 Oct 2021
CVE-2021-4149 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-rt-kvm.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
CVSS Scores
version 3.1