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CVE-2021-3638

Published: Mar 3, 2022

Modified: Aug 3, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	QEMU	affected `Affects qemu v4.0 to v6.1`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1979858

https://ubuntu.com/security/CVE-2021-3638

https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html

https://security.netapp.com/advisory/ntap-20220407-0003/

FEDORA-2022-22b1f8dae2

vendor-advisory

FEDORA-2023-c8a60f6f80

vendor-advisory

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