CVE-2018-10853

unknown
Published — · Modified —
CVSS v3
VIR risk

Description

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed4.16.16-1
debian debianbullseyefixed4.16.16-1
debian debianforkyfixed4.16.16-1
debian debiansidfixed4.16.16-1
debian debiantrixiefixed4.16.16-1

References

💬 Discuss CVE-2018-10853 on VIR Community →

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.