CVE-2022-1789

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.

Published: Jun 2, 2022
Updated: Apr 14, 2023
CVE: CVE-2022-1789
Severity: Medium
Exploit:

CVSS v3:

Severity: Medium
Score: 6.8
AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: Medium
Score: 6.9
AV:L/AC:M/Au:N/C:C/I:C/A:C

CWEs:

CWE-476

Affected Software
References

Software	From	Fixed in
linux / linux_kernel	-	5.8
fedoraproject / fedora	34	34.x
fedoraproject / fedora	35	35.x
fedoraproject / fedora	36	36.x
redhat / enterprise_linux	9.0	9.0.x
debian / debian_linux	11.0	11.0.x

https://bugzilla.redhat.com/show_bug.cgi?id=1832397
https://francozappa.github.io/about-bias/
https://kb.cert.org/vuls/id/647177/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6JP355XFVAB33X4BNO3ERVTURFYEDB7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IBUOQTNTQ4ZCXHOCNKYIL2ZUIAZ675RD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KCEAPIVPRTJHKPF2A2HVF5XHD5XJT3MN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6JP355XFVAB33X4BNO3ERVTURFYEDB7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBUOQTNTQ4ZCXHOCNKYIL2ZUIAZ675RD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KCEAPIVPRTJHKPF2A2HVF5XHD5XJT3MN/
https://www.debian.org/security/2022/dsa-5161

Vulnerability Database

CVE-2022-1789