Use After Free Affecting kernel-debug-core package, versions <0:4.18.0-193.75.1.el8_2
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGCORE-4015851
- published 14 Dec 2021
- disclosed 28 Jul 2021
Introduced: 28 Jul 2021
CVE-2021-0920 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-core to version 0:4.18.0-193.75.1.el8_2 or higher.
This issue was patched in RHSA-2022:0636.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel