CVE-2022-1789

Description

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org
Affected: n/a kernel
Published at:
Updated at:

References

Link Tags
https://francozappa.github.io/about-bias/ not applicable
https://bugzilla.redhat.com/show_bug.cgi?id=1832397 not applicable
https://kb.cert.org/vuls/id/647177/ not applicable
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBUOQTNTQ4ZCXHOCNKYIL2ZUIAZ675RD/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KCEAPIVPRTJHKPF2A2HVF5XHD5XJT3MN/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6JP355XFVAB33X4BNO3ERVTURFYEDB7/ vendor advisory
https://www.debian.org/security/2022/dsa-5161 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-1789?
CVE-2022-1789 has been scored as a medium severity vulnerability.
How to fix CVE-2022-1789?
To fix CVE-2022-1789, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-1789 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-1789 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1789?
CVE-2022-1789 affects n/a kernel.
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