NULL Pointer Dereference Affecting kernel package, versions <0:4.14.326-245.539.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-5935787
- published 6 Oct 2023
- disclosed 25 Jul 2023
Introduced: 25 Jul 2023
CVE-2023-3772 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.326-245.539.amzn2 or higher.
This issue was patched in ALAS2-2023-2264.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3772
- https://access.redhat.com/security/cve/CVE-2023-3772
- https://bugzilla.redhat.com/show_bug.cgi?id=2218943
- http://www.openwall.com/lists/oss-security/2023/08/10/1
- http://www.openwall.com/lists/oss-security/2023/08/10/3
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://www.debian.org/security/2023/dsa-5492
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/errata/RHSA-2024:0575