CVE-2023-5090: Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs
First published: Mon Nov 06 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6 | 6.6 |
| Linux Linux kernel | <=6.5 | |
| Linux Linux kernel | =6.6-rc1 | |
| Linux Linux kernel | =6.6-rc2 | |
| Linux Linux kernel | =6.6-rc3 | |
| Linux Linux kernel | =6.6-rc4 | |
| Linux Linux kernel | =6.6-rc5 | |
| Linux Linux kernel | =6.6-rc6 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.9-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2248122
- https://access.redhat.com/security/cve/CVE-2023-5090
- https://access.redhat.com/errata/RHSA-2024:3854
- https://access.redhat.com/errata/RHSA-2024:3855
- https://launchpad.net/bugs/cve/CVE-2023-5090
- https://lore.kernel.org/kvm/20230928173354.217464-1-mlevitsk@redhat.com/T
- https://github.com/torvalds/linux/commit/b65235f6e102354ccafda601eaa1c5bef5284d21
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2248123
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:4352
- https://access.redhat.com/errata/RHSA-2024:2758
- https://git.kernel.org/linus/b65235f6e102354ccafda601eaa1c5bef5284d21
- https://security-tracker.debian.org/tracker/CVE-2023-5090
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5090
- https://nvd.nist.gov/vuln/detail/CVE-2023-5090
- https://ubuntu.com/security/CVE-2023-5090
Frequently Asked Questions
What is CVE-2023-5090?
CVE-2023-5090 is a vulnerability in KVM that allows direct access to host x2apic msrs, potentially leading to a denial of service condition.
What is the severity of CVE-2023-5090?
The severity of CVE-2023-5090 is medium with a severity value of 6.
How does CVE-2023-5090 affect the kernel?
CVE-2023-5090 affects the kernel by allowing improper access to host x2apic msrs, which could lead to a denial of service.
How can I fix CVE-2023-5090?
To fix CVE-2023-5090, update the affected kernel to version 6.6 or higher.
Where can I find more information about CVE-2023-5090?
You can find more information about CVE-2023-5090 at the following references: [Reference 1](https://access.redhat.com/security/cve/CVE-2023-5090), [Reference 2](https://bugzilla.redhat.com/show_bug.cgi?id=2248122), [Reference 3](https://lore.kernel.org/kvm/20230928173354.217464-1-mlevitsk@redhat.com/T)
- agent/author
- agent/type
- agent/first-publish-date
- agent/weakness
- agent/remedy
- agent/severity
- agent/title
- agent/description
- collector/launchpad-cve
- source/Launchpad
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-5090
- agent/software-canonical-lookup
- agent/event
- agent/references
- agent/tags
- collector/nvd-api
- source/NVD
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/nvd-cve
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/6.5
- version/linux linux kernel/6.6-rc1
- version/linux linux kernel/6.6-rc2
- version/linux linux kernel/6.6-rc3
- version/linux linux kernel/6.6-rc4
- version/linux linux kernel/6.6-rc5
- version/linux linux kernel/6.6-rc6
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/8.0
- version/redhat enterprise linux/9.0
- package-manager/debian