NULL Pointer Dereference Affecting kernel-debug-modules package, versions <0:4.18.0-477.43.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGMODULES-6216659
- published 31 Jan 2024
- disclosed 21 Jul 2023
Introduced: 21 Jul 2023
CVE-2023-3772 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-477.43.1.el8_8 or higher.
This issue was patched in RHSA-2024:0575.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules package and not the kernel-debug-modules package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.
References
- https://access.redhat.com/security/cve/CVE-2023-3772
- http://www.openwall.com/lists/oss-security/2023/08/10/1
- http://www.openwall.com/lists/oss-security/2023/08/10/3
- https://access.redhat.com/errata/RHSA-2024:0575
- https://bugzilla.redhat.com/show_bug.cgi?id=2218943
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://www.debian.org/security/2023/dsa-5492