Use After Free Affecting kernel-rt-debug-modules-extra package, versions <0:5.14.0-70.80.1.rt21.151.el9_0
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Test your applications- Snyk ID SNYK-RHEL9-KERNELRTDEBUGMODULESEXTRA-6072494
- published 22 Nov 2023
- disclosed 22 Oct 2022
How to fix?
Upgrade RHEL:9 kernel-rt-debug-modules-extra to version 0:5.14.0-70.80.1.rt21.151.el9_0 or higher.
This issue was patched in RHSA-2023:7389.
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.
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.