CVE-2022-1263

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.

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.44% chance of exploitation in the next 30 days, 37th percentile

Published

2022-08-31

Updated

2024-08-02

Proof-of-concept exploits (1)

• https://www.openwall.com/lists/oss-security/2022/04/07/1

References

• CVE Record
• NVD entry

Related

• CVE-2022-1257
• CVE-2022-1265
• CVE-2022-1255
• CVE-2022-1266
• CVE-2022-1252
• CVE-2022-1267