Use After Free Affecting kernel-rt-core package, versions <0:5.14.0-162.6.1.rt21.168.el9_1
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELRTCORE-5655508
- published 28 May 2023
- disclosed 15 Nov 2022
Introduced: 15 Nov 2022
CVE-2022-1280 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-rt-core to version 0:5.14.0-162.6.1.rt21.168.el9_1 or higher.
This issue was patched in ALSA-2022:7933.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-core package and not the kernel-rt-core package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
A use-after-free vulnerability was found in drm_lease_held in drivers/gpu/drm/drm_lease.c in the Linux kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of service (DoS) or a kernel information leak.
References
- https://errata.almalinux.org/9/ALSA-2022-7933.html
- https://errata.almalinux.org/9/ALSA-2022-8267.html
- https://access.redhat.com/security/cve/CVE-2022-1280
- https://access.redhat.com/errata/RHSA-2022:7933
- https://access.redhat.com/errata/RHSA-2022:8267
- https://bugzilla.redhat.com/show_bug.cgi?id=2071022
- https://www.openwall.com/lists/oss-security/2022/04/12/3