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 |
---|---|---|
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 | |
redhat/kernel | <6.6 | 6.6 |
ubuntu/linux | <6.2.0-37.38 | 6.2.0-37.38 |
ubuntu/linux | <6.5.0-13.13 | 6.5.0-13.13 |
ubuntu/linux | <6.6~ | 6.6~ |
ubuntu/linux-aws | <6.2.0-1016.16 | 6.2.0-1016.16 |
ubuntu/linux-aws | <6.5.0-1010.10 | 6.5.0-1010.10 |
ubuntu/linux-aws | <6.6~ | 6.6~ |
ubuntu/linux-aws-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-aws-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-aws-6.2 | <6.2.0-1016.16~22.04.1 | 6.2.0-1016.16~22.04.1 |
ubuntu/linux-aws-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-aws-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-aws-fips | <6.6~ | 6.6~ |
ubuntu/linux-aws-hwe | <6.6~ | 6.6~ |
ubuntu/linux-azure | <6.2.0-1017.17 | 6.2.0-1017.17 |
ubuntu/linux-azure | <6.5.0-1009.9 | 6.5.0-1009.9 |
ubuntu/linux-azure | <6.6~ | 6.6~ |
ubuntu/linux-azure-4.15 | <6.6~ | 6.6~ |
ubuntu/linux-azure-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-azure-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-azure-6.2 | <6.2.0-1017.17~22.04.1 | 6.2.0-1017.17~22.04.1 |
ubuntu/linux-azure-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-azure-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-azure-fde | <6.6~ | 6.6~ |
ubuntu/linux-azure-fde-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-azure-fde-6.2 | <6.2.0-1017.17~22.04.1.1 | 6.2.0-1017.17~22.04.1.1 |
ubuntu/linux-azure-fde-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-azure-fips | <6.6~ | 6.6~ |
ubuntu/linux-bluefield | <6.6~ | 6.6~ |
ubuntu/linux-fips | <6.6~ | 6.6~ |
ubuntu/linux-gcp | <6.2.0-1019.21 | 6.2.0-1019.21 |
ubuntu/linux-gcp | <6.6~ | 6.6~ |
ubuntu/linux-gcp-4.15 | <6.6~ | 6.6~ |
ubuntu/linux-gcp-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-gcp-5.19 | <6.6~ | 6.6~ |
ubuntu/linux-gcp-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-gcp-6.2 | <6.2.0-1019.21~22.04.1 | 6.2.0-1019.21~22.04.1 |
ubuntu/linux-gcp-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-gcp-fips | <6.6~ | 6.6~ |
ubuntu/linux-gke | <6.6~ | 6.6~ |
ubuntu/linux-gkeop | <6.6~ | 6.6~ |
ubuntu/linux-gkeop-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-hwe | <6.6~ | 6.6~ |
ubuntu/linux-hwe-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-hwe-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-hwe-6.2 | <6.2.0-37.38~22.04.1 | 6.2.0-37.38~22.04.1 |
ubuntu/linux-hwe-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-hwe-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-ibm | <6.6~ | 6.6~ |
ubuntu/linux-ibm-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-ibm-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-intel | <6.6~ | 6.6~ |
ubuntu/linux-intel-iot-realtime | <6.6~ | 6.6~ |
ubuntu/linux-intel-iotg | <6.6~ | 6.6~ |
ubuntu/linux-intel-iotg-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-iot | <6.6~ | 6.6~ |
ubuntu/linux-kvm | <6.2.0-1017.17 | 6.2.0-1017.17 |
ubuntu/linux-kvm | <6.6~ | 6.6~ |
ubuntu/linux-laptop | <6.5.0-1006.9 | 6.5.0-1006.9 |
ubuntu/linux-laptop | <6.6~ | 6.6~ |
ubuntu/linux-lowlatency | <6.2.0-1017.17 | 6.2.0-1017.17 |
ubuntu/linux-lowlatency | <6.5.0-13.13.1 | 6.5.0-13.13.1 |
ubuntu/linux-lowlatency | <6.6~ | 6.6~ |
ubuntu/linux-lowlatency-hwe-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-lowlatency-hwe-6.2 | <6.2.0-1017.17~22.04.1 | 6.2.0-1017.17~22.04.1 |
ubuntu/linux-lowlatency-hwe-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-lowlatency-hwe-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-lowlatency-hwe-6.8 | <6.6~ | 6.6~ |
ubuntu/linux-lts-xenial | <6.6~ | 6.6~ |
ubuntu/linux-nvidia | <6.6~ | 6.6~ |
ubuntu/linux-nvidia-6.2 | <6.2.0-1012.12 | 6.2.0-1012.12 |
ubuntu/linux-nvidia-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-nvidia-6.5 | <6.5.0-1007.7 | 6.5.0-1007.7 |
ubuntu/linux-nvidia-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-nvidia-6.8 | <6.6~ | 6.6~ |
ubuntu/linux-nvidia-lowlatency | <6.6~ | 6.6~ |
ubuntu/linux-oem-6.1 | <6.1.0-1026.26 | 6.1.0-1026.26 |
ubuntu/linux-oem-6.1 | <6.6~ | 6.6~ |
ubuntu/linux-oem-6.5 | <6.5.0-1008.8 | 6.5.0-1008.8 |
ubuntu/linux-oem-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-oem-6.8 | <6.6~ | 6.6~ |
ubuntu/linux-oracle | <6.2.0-1016.17 | 6.2.0-1016.17 |
ubuntu/linux-oracle | <6.5.0-1012.12 | 6.5.0-1012.12 |
ubuntu/linux-oracle | <6.6~ | 6.6~ |
ubuntu/linux-oracle-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-oracle-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-oracle-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-raspi | <6.2.0-1017.19 | 6.2.0-1017.19 |
ubuntu/linux-raspi | <6.5.0-1007.9 | 6.5.0-1007.9 |
ubuntu/linux-raspi | <6.6~ | 6.6~ |
ubuntu/linux-raspi-5.4 | <6.6~ | 6.6~ |
ubuntu/linux-raspi-realtime | <6.6~ | 6.6~ |
ubuntu/linux-realtime | <6.6~ | 6.6~ |
ubuntu/linux-riscv | <6.2.0-37.38.1 | 6.2.0-37.38.1 |
ubuntu/linux-riscv | <6.5.0-13.13.1 | 6.5.0-13.13.1 |
ubuntu/linux-riscv | <6.6~ | 6.6~ |
ubuntu/linux-riscv-5.15 | <6.6~ | 6.6~ |
ubuntu/linux-riscv-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-riscv-6.8 | <6.6~ | 6.6~ |
ubuntu/linux-starfive | <6.2.0-1009.10 | 6.2.0-1009.10 |
ubuntu/linux-starfive | <6.5.0-1004.5 | 6.5.0-1004.5 |
ubuntu/linux-starfive | <6.6~ | 6.6~ |
ubuntu/linux-starfive-6.2 | <6.2.0-1009.10~22.04.1 | 6.2.0-1009.10~22.04.1 |
ubuntu/linux-starfive-6.2 | <6.6~ | 6.6~ |
ubuntu/linux-starfive-6.5 | <6.6~ | 6.6~ |
ubuntu/linux-xilinx-zynqmp | <6.6~ | 6.6~ |
debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.6-1 6.10.7-1 |
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(Appears in the following advisories)
CVE-2023-5090 is a vulnerability in KVM that allows direct access to host x2apic msrs, potentially leading to a denial of service condition.
The severity of CVE-2023-5090 is medium with a severity value of 6.
CVE-2023-5090 affects the kernel by allowing improper access to host x2apic msrs, which could lead to a denial of service.
To fix CVE-2023-5090, update the affected kernel to version 6.6 or higher.
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)