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Affected Component
Analysis
qemu
Patched
Name
CVE-2021-3638
Description
An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Published Date
Updated Date
Workaround
-
Advisories
https://bugzilla.redhat.com/show_bug.cgi?id=1979858Issue Tracking
https://security.netapp.com/advisory/ntap-20220407-0003/Third Party Advisory
https://ubuntu.com/security/CVE-2021-3638Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1979858Issue Tracking
https://security.netapp.com/advisory/ntap-20220407-0003/Third Party Advisory
https://ubuntu.com/security/CVE-2021-3638Third Party Advisory
Analysis#
Vulnerability Ratings#
6.5
CVSSv31
2.1
CVSSv2
Others affected components#
Resolved with patches#
qemu (yocto:kirkstone)
#
Title
Author
Resolve
1
hw/display/ati_2d: Fix buffer overflow in ati_2d_blt
Philippe Mathieu-Daudé <philmd@redhat.com>
CVE-2021-3638