CVE-2021-47432 Affecting bpftool package, versions <0:4.18.0-553.22.1.el8_10
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-6980442
- published 22 May 2024
- disclosed 21 May 2024
Introduced: 21 May 2024
CVE-2021-47432 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-553.22.1.el8_10 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.
In the Linux kernel, the following vulnerability has been resolved:
lib/generic-radix-tree.c: Don't overflow in peek()
When we started spreading new inode numbers throughout most of the 64 bit inode space, that triggered some corner case bugs, in particular some integer overflows related to the radix tree code. Oops.
References
- https://access.redhat.com/security/cve/CVE-2021-47432
- https://git.kernel.org/stable/c/784d01f9bbc282abb0c5ade5beb98a87f50343ac
- https://git.kernel.org/stable/c/9492261ff2460252cf2d8de89cdf854c7e2b28a0
- https://git.kernel.org/stable/c/aa7f1827953100cdde0795289a80c6c077bfe437
- https://git.kernel.org/stable/c/ec298b958cb0c40d70c68079da933c8f31c5134c