CVE-2022-39189

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

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

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