Improper handling of exceptional conditions in Linux kernel - CVE-2023-5090

 

Improper handling of exceptional conditions in Linux kernel - CVE-2023-5090

Published: November 21, 2023


Vulnerability identifier: #VU83383
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-5090
CWE-ID: CWE-755
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of errors within the svm_set_x2apic_msr_interception() function in KVM. A local user can send specially crafted input and perform a denial of service (DoS) attack.


How to mitigate CVE-2023-5090

Install updates from vendor's website.

Sources