NULL Pointer Dereference Affecting kernel-core package, versions <0:5.14.0-284.11.1.el9_2
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-5842031
- published 19 Apr 2023
- disclosed 25 Jul 2022
Introduced: 25 Jul 2022
CVE-2023-2177 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in RHSA-2023:2458.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.