Expected Behavior Violation Affecting kernel-tools-libs-devel package, versions <0:4.18.0-477.10.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLSLIBSDEVEL-5545263
- published 7 Sep 2022
- disclosed 30 May 2022
How to fix?
Upgrade RHEL:8 kernel-tools-libs-devel to version 0:4.18.0-477.10.1.el8_8 or higher.
This issue was patched in RHSA-2023:2951.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by RHEL.
See How to fix? for RHEL: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