CVE-2021-3667CWE-667

An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt

published March 2, 2022

CVSS
—
EPSS
1%
Percentile
71.6
In the wild
Unconfirmed
What it is

An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01366 · 71.6th percentile
Weakness
CWE-667 · Improper Locking
Published
2022-03-02T00:00Z
EPSS history
Timeline
  • 02 MAR 00:00Z
    An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt
    cvelistv5