CVE-2023-5090
Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs
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.
Fixes and workarounds
Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Source: CNA: redhatAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| Red Hat Enterprise Linux 8 Red Hat kernel-rt
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.18.0-553.8.1.rt7.349.el8_10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat kernel
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.18.0-553.8.1.el8_10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat kernel
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:5.14.0-427.16.1.el9_4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat kernel
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:5.14.0-284.69.1.el9_2; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat kernel-rt
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:5.14.0-284.69.1.rt14.354.el9_2; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 6 Red Hat kernel
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 7 Red Hat kernel
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 7 Red Hat kernel-rt
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat kernel-rt
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.0 medium |
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H | CNA: redhat |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2024:2758CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:3854CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:3855CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:4211CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:4352CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-5090CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2248122CNA: redhat · issue-tracking, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:3854ADP: CVE · vendor-advisory, x_refsource_REDHAT, x_transferred
- https://access.redhat.com/errata/RHSA-2024:3855ADP: CVE · vendor-advisory, x_refsource_REDHAT, x_transferred
- https://access.redhat.com/errata/RHSA-2024:4211ADP: CVE · vendor-advisory, x_refsource_REDHAT, x_transferred
- https://access.redhat.com/errata/RHSA-2024:4352ADP: CVE · vendor-advisory, x_refsource_REDHAT, x_transferred
- https://access.redhat.com/security/cve/CVE-2023-5090ADP: CVE · vdb-entry, x_refsource_REDHAT, x_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=2248122ADP: CVE · issue-tracking, x_refsource_REDHAT, x_transferred
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