VulnerabilityModified
CVE-2022-3344
A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).
MEDIUM 5.5EPSS 0.22%
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-440
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2130278Issue Tracking, Patch, Third Party Advisory
- https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/
- https://bugzilla.redhat.com/show_bug.cgi?id=2130278Issue Tracking, Patch, Third Party Advisory
- https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.