SB2021063044 - SUSE update for qemu
Published: June 30, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Memory leak (CVE-ID: CVE-2021-3544)
The vulnerability allows a remote user to perform DoS attack on the target system.
The vulnerability exists due to multiple memory leaks in the vhost-user-gpu/vhost-user-gpu.c. A remote authenticated user of the guest operating system can force the application to leak memory and perform denial of service attack.
2) Information disclosure (CVE-ID: CVE-2021-3545)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to uninitialized memory disclosure within the virgl_cmd_get_capset_info() function in vhost-user-gpu/virgl.c. A remote authenticated user of the guest operating system can gain unauthorized access to sensitive information on the system.
3) Out-of-bounds write (CVE-ID: CVE-2021-3546)
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing untrusted input within the virgl_cmd_get_capset() function in vhost-user-gpu/virgl.c. A remote authenticated user of the guest operating system can trigger an out-of-bounds write and escalate privileges.
Remediation
Install update from vendor's website.