Improper Initialization Affecting kernel-rt-modules-extra package, versions <0:4.18.0-305.rt7.72.el8
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-2104225
- published 26 Jul 2021
- disclosed 9 Dec 2020
Introduced: 9 Dec 2020
CVE-2020-35508 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-305.rt7.72.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-extra package and not the kernel-rt-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.