Expected Behavior Violation Affecting kernel-cross-headers package, versions <0:4.18.0-477.10.1.el8_8
Threat Intelligence
EPSS
0.05% (16th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELCROSSHEADERS-3018492
- published 7 Sep 2022
- disclosed 30 May 2022
How to fix?
Upgrade Centos:8 kernel-cross-headers 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 kernel-cross-headers package and not the kernel-cross-headers package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
References
- https://access.redhat.com/security/cve/CVE-2022-39189
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
- https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20230214-0007/
- https://www.debian.org/security/2023/dsa-5480
CVSS Scores
version 3.1