NULL Pointer Dereference Affecting kernel-tools-libs package, versions <0:4.18.0-553.el8_10
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLSLIBS-6069383
- published 17 Nov 2023
- disclosed 12 Sep 2023
Introduced: 12 Sep 2023
CVE-2023-6176 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools-libs to version 0:4.18.0-553.el8_10 or higher.
This issue was patched in RHSA-2024:3138.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A null pointer dereference flaw was found in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configuration, which could allow a local user to crash the system or escalate their privileges on the system.
References
- https://access.redhat.com/security/cve/CVE-2023-6176
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
- https://access.redhat.com/errata/RHSA-2024:3138
- https://bugzilla.redhat.com/show_bug.cgi?id=2219359
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cfaa80c91f6f99b9342b6557f0f0e1143e434066