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CVE-2022-1789

CVE-2022-1789

EPSS 0.3%CWE-476
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.
Affected products
n/a · kernel

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1832397https://francozappa.github.io/about-bias/https://kb.cert.org/vuls/id/647177/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