Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- 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://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736 ↗
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736 ↗
- https://security.netapp.com/advisory/ntap-20230214-0007/ ↗
- https://www.debian.org/security/2023/dsa-5480 ↗
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html ↗