VULNERABILITY INTELLIGENCE

CVE-2022-1263

CVSS score5.5 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2022-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Weakness classification

  • secalert@redhat.com: CWE-476
  • nvd@nist.gov: CWE-476

Primary references