PT-2020-6475 · Qemu+4 · Qemu+4
Hanqing Zhao
+2
·
Published
2020-05-02
·
Updated
2024-06-15
·
CVE-2020-13800
CVSS v3.1
6.0
Medium
| Vector | AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
QEMU version 4.2.0
Description
The issue is related to the ati-vga component in the QEMU hardware emulator, which is vulnerable to uncontrolled recursion. This can be triggered by a crafted mm index value during an ati mm read or ati mm write call, potentially allowing an attacker to cause a denial of service.
Recommendations
For QEMU version 4.2.0, as a temporary workaround, consider disabling the ati-vga component to minimize the risk of exploitation. Restrict access to the
ati mm read and ati mm write functions until a patch is available. Avoid using the mm index variable in the affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Uncontrolled Recursion
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Linuxmint
Qemu
Suse
Ubuntu