NULL Pointer Dereference Affecting kernel-rt-debug-modules-extra package, versions <0:5.14.0-284.11.1.rt14.296.el9_2
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Test your applications- Snyk ID SNYK-RHEL9-KERNELRTDEBUGMODULESEXTRA-5500588
- published 23 Nov 2022
- disclosed 11 Jul 2022
Introduced: 11 Jul 2022
CVE-2022-4128 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-rt-debug-modules-extra to version 0:5.14.0-284.11.1.rt14.296.el9_2 or higher.
This issue was patched in RHSA-2023:2148.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.