PT-2020-6472 · Qemu+5 · Qemu+5
Published
2020-08-15
·
Updated
2026-06-09
·
CVE-2020-25084
CVSS v3.1
3.2
Low
| Vector | AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L |
Name of the Vulnerable Software and Affected Versions
QEMU version 5.0.0
Description
The issue is related to a use-after-free in the
hw/usb/hcd-xhci.c component of the QEMU hardware emulator. This is caused by the lack of checking the return value of usb packet map. Exploitation of this issue may allow an attacker to cause a denial of service.Recommendations
For QEMU version 5.0.0, as a temporary workaround, consider disabling the
hw/usb/hcd-xhci.c component until a patch is available. Restrict access to the vulnerable usb packet map function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Linuxmint
Qemu
Suse
Ubuntu