CyberRota Analysis
This is a low severity vulnerability with a CVSS score of 3.3. See the original NVD description below for full technical details.
CVE
CVE-2021-20263
Severity
LOW
CVSS
3.3
EPSS
0.38%
Original NVD Description
A flaw was found in the virtio-fs shared file system daemon (virtiofsd) of QEMU. The new 'xattrmap' option may cause the 'security.capability' xattr in the guest to not drop on file write, potentially leading to a modified, privileged executable in the guest. In rare circumstances, this flaw could be used by a malicious user to elevate their privileges within the guest.
Related CVEs
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