SB2019122367 - Out-of-bounds read in virglrenderer (Alpine package)
Published: December 23, 2019
Security Bulletin ID
SB2019122367
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-18390)
The vulnerability allows a local authenticated user to #BASIC_IMPACT#.
An out-of-bounds read in the vrend_blit_need_swizzle function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_BLIT commands.
Remediation
Install update from vendor's website.