CVE-2022-1263

State: Published
Severity: Not scored
Published: Aug 31, 2022
Updated: Aug 2, 2024
Reserved: Apr 6, 2022

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-476 NULL Pointer Dereference.

Affected Products

Product	Versions
Kernel:KVMn/a	Fixed in kernel v5.18-rc3Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=2072698
https://www.openwall.com/lists/oss-security/2022/04/07/1
https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4
https://access.redhat.com/security/cve/CVE-2022-1263

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