NULL Pointer Dereference Affecting perf package, versions <0:4.18.0-425.3.1.el8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-2444310
- published 8 Apr 2022
- disclosed 7 Apr 2022
Introduced: 7 Apr 2022
CVE-2022-1263 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-425.3.1.el8 or higher.
This issue was patched in RHSA-2022:7683.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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.