NULL pointer dereference in Linux Kernel
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.
EPSS: 0.003 (24.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 34, 35, 36
- Redhat Enterprise_linux — versions 9.0
- N/a Kernel — versions no patch information available yet
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_MISC, Not Applicable)
- secalert@redhat.com (x_refsource_MISC, Not Applicable)
- secalert@redhat.com (x_refsource_MISC, Not Applicable)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2022-1789?
- CVE-2022-1789 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 6.8/10. Published 2022-06-02.
- How severe is CVE-2022-1789?
- Medium severity. CVSS v3 base score is 6.8 out of 10.