NULL Pointer Dereference Affecting kernel-uki-virt package, versions <0:5.14.0-284.11.1.el9_2
Threat Intelligence
EPSS
0.15% (52nd
percentile)
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELUKIVIRT-5642795
- published 28 May 2023
- disclosed 9 May 2023
Introduced: 9 May 2023
CVE-2022-1789 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-uki-virt to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ALSA-2023:2458.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uki-virt package and not the kernel-uki-virt package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
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.
References
- https://errata.almalinux.org/9/ALSA-2023-2148.html
- https://errata.almalinux.org/9/ALSA-2023-2458.html
- https://errata.almalinux.org/8/ALSA-2023-2736.html
- https://errata.almalinux.org/8/ALSA-2023-2951.html
- https://access.redhat.com/security/cve/CVE-2022-1789
- https://access.redhat.com/errata/RHSA-2023:2148
- https://access.redhat.com/errata/RHSA-2023:2458
- https://access.redhat.com/errata/RHSA-2023:2736
- https://access.redhat.com/errata/RHSA-2023:2951
- 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://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%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
CVSS Scores
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