NULL Pointer Dereference Affecting bpftool package, versions <0:4.18.0-477.10.1.el8_8
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-3238604
- published 19 Jan 2023
- disclosed 17 Jan 2023
Introduced: 17 Jan 2023
CVE-2023-0394 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-477.10.1.el8_8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.
References
- https://access.redhat.com/security/cve/CVE-2023-0394
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb3e9864cdbe35ff6378966660edbcbac955fe17
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://security.netapp.com/advisory/ntap-20230302-0005/
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
CVSS Scores
version 3.1