Vulnerability Database

296,147

Total vulnerabilities in the database

CVE-2021-20263

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.

  • Published: Mar 9, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-20263
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 3.3
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:P/A:N

CWEs: