Use After Free Affecting kernel-doc package, versions <0:5.14.0-70.36.1.el9_0
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Test your applications- Snyk ID SNYK-RHEL9-KERNELDOC-3384112
- published 14 Jun 2022
- disclosed 7 Apr 2022
Introduced: 7 Apr 2022
CVE-2022-1158 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-doc to version 0:5.14.0-70.36.1.el9_0 or higher.
This issue was patched in RHSA-2022:8973.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.