vulnerability
Arch Linux: NULL Pointer Dereference (CVE-2022-1789)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | May 31, 2022 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
May 31, 2022
Added
Jul 11, 2025
Modified
Nov 27, 2025
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.
Solution
arch-linux-upgrade-latest
References
- CVE-2022-1789
- https://attackerkb.com/topics/CVE-2022-1789
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1832397
- URL-https://francozappa.github.io/about-bias/
- URL-https://kb.cert.org/vuls/id/647177/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6JP355XFVAB33X4BNO3ERVTURFYEDB7/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBUOQTNTQ4ZCXHOCNKYIL2ZUIAZ675RD/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KCEAPIVPRTJHKPF2A2HVF5XHD5XJT3MN/
- URL-https://www.debian.org/security/2022/dsa-5161
- CWE-476
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