What’s Vulnerable › Vulnerabilities
CVE-2023-5090: Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-11-06 · updated 2026-08-06
- Weakness: CWE-755
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.
Affected products
- Linux kernel: through 6.5; 6.6-rc1, 6.6-rc2, 6.6-rc3, 6.6-rc4, 6.6-rc5, 6.6-rc6
- Red Hat Enterprise Linux: 8.0, 9.0
References
- https://access.redhat.com/errata/RHSA-2024:2758
- https://access.redhat.com/errata/RHSA-2024:3854
- https://access.redhat.com/errata/RHSA-2024:3855
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:4352
- https://access.redhat.com/security/cve/CVE-2023-5090
- https://bugzilla.redhat.com/show_bug.cgi?id=2248122
- https://access.redhat.com/errata/RHSA-2024:3854
- https://access.redhat.com/errata/RHSA-2024:3855
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:4352
- https://access.redhat.com/security/cve/CVE-2023-5090
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