CVE-2022-39189
Advisory lineage Upstream: 0 Downstream: 28
Modified
Published: 02 Sept 2022, 00:00
Last modified:05 May 2025, 16:13
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
02 Sept 2022, 00:00
Published
Vulnerability first disclosed
05 May 2025, 16:13
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.02%• Percentile: 6%
Affected Systems
- linux•linux_kernel
≥ 4.16, < 5.4.244 | ≥ 5.5.0, < 5.10.180 | ≥ 5.11, < 5.15.60 | ≥ 5.16, < 5.18.17
- netapp•hci_baseboard_management_controller
h300s | h410c | h410s | h500s | h700s
References (7)
- 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