Heap-based Buffer Overflow Affecting bpftool package, versions <0:4.18.0-372.13.1.el8_6
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-2432710
- published 24 Mar 2022
- disclosed 11 Mar 2022
Introduced: 11 Mar 2022
CVE-2022-27666 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-372.13.1.el8_6 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 buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
References
- https://access.redhat.com/security/cve/CVE-2022-27666
- https://access.redhat.com/errata/RHSA-2022:5316
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ebe48d368e97d007bfeb76fcb065d6cfc4c96645
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://bugzilla.redhat.com/show_bug.cgi?id=2061633
- https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645
- https://security.netapp.com/advisory/ntap-20220429-0001/
- https://www.debian.org/security/2022/dsa-5127
- https://www.debian.org/security/2022/dsa-5173
CVSS Scores
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