SB2022113039 - Information disclosure in Linux kernel Virtio drivers
Published: November 30, 2022
Security Bulletin ID
SB2022113039
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2022-2308)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to usage of uninitialized resources in vDPA with VDUSE backend in Linux kernel. A local user can pass specially crafted data to the Virtio drivers, trigger uninitialized usage of resources and gain access to sensitive information.
Remediation
Install update from vendor's website.