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.
References (7)
Core 7
Core References
Issue Tracking, Patch, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
Patch, Release Notes, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230214-0007/
Third Party Advisory, VDB Entry vendor-advisory
https://www.debian.org/security/2023/dsa-5480
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
Scores
CVSS v3
7.8
EPSS
0.0002
EPSS Percentile
5.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
Status
published
Products (6)
linux/linux_kernel
4.16 - 5.4.244
netapp/hci_baseboard_management_controller
h300s
netapp/hci_baseboard_management_controller
h410c
netapp/hci_baseboard_management_controller
h410s
netapp/hci_baseboard_management_controller
h500s
netapp/hci_baseboard_management_controller
h700s
Published
Sep 02, 2022
Tracked Since
Feb 18, 2026