Use After Free Affecting kernel-devel package, versions <0:3.10.0-957.92.1.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDEVEL-4960972
- 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:7 kernel-devel to version 0:3.10.0-957.92.1.el7 or higher.
This issue was patched in RHSA-2022:1107.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-devel package and not the kernel-devel package as distributed by RHEL.
See How to fix? for RHEL:7 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