Heap-based Buffer Overflow Affecting kernel-core package, versions <0:5.14.0-70.17.1.el9_0
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-5568178
- 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 RHEL:9 kernel-core to version 0:5.14.0-70.17.1.el9_0 or higher.
This issue was patched in RHSA-2022:5249.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 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-2022:5249
- 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