Out-of-bounds Write Affecting bpftool package, versions <0:4.18.0-477.27.1.el8_8
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Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-5754795
- published 5 Jul 2023
- disclosed 10 May 2023
Introduced: 10 May 2023
CVE-2023-3090 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-477.27.1.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 heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation.
The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled.
We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.
References
- https://access.redhat.com/security/cve/CVE-2023-3090
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=90cbed5247439a966b645b34eb0a2e037836ea8e
- https://kernel.dance/90cbed5247439a966b645b34eb0a2e037836ea8e
- https://www.debian.org/security/2023/dsa-5448
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20230731-0002/
- https://www.debian.org/security/2023/dsa-5480