CVE-2023-5090: Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs

Medium severity · published Nov 6, 2023

CVE-2023-5090

Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs

5.5

CVSS

0.2%

EPSS

On KEV

Description

A flaw was found in KVM. An improper check in svm_set_x2apic_msr_interception() may allow direct access to host x2apic msrs when the guest resets its apic, potentially leading to a denial of service condition.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 16% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

through 6.5; 6.6; 6.6; 6.6; 6.6; 6.6; +1 more · source: NVD

Red Hat Enterprise Linux 8 · Red Hat

All versions, or not specified · source: vendor

Red Hat Enterprise Linux 9 · Red Hat

All versions, or not specified · source: vendor

Red Hat Enterprise Linux 9.2 Extended Update Support · Red Hat

All versions, or not specified · source: vendor

Enterprise Linux · Redhat

8.0; 9.0 · source: NVD

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-5090

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-5090

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:2758

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:3854

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:3855

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:4211

access.redhat.com

https://access.redhat.com/errata/RHSA-2024:4352

Third Party Advisory

https://access.redhat.com/security/cve/CVE-2023-5090