CVE-2021-3638

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Summary

CVECVE-2021-3638
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-03-03 23:15:00 UTC
Updated2023-02-23 20:23:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 36 All All All
Operating System Fedoraproject Fedora 37 All All All
Application Qemu Qemu All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 37 Update: qemu-7.0.0-12.fc37 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE-2021-3638 QEMU Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
[PATCH] hw/display/ati_2d: Fix buffer overflow in ati_2d_blt (CVE-2021-3 MISC lists.nongnu.org
CVE-2021-3638 | Ubuntu MISC ubuntu.com
1979858 – (CVE-2021-3638) CVE-2021-3638 QEMU: ati-vga: inconsistent check in ati_2d_blt() may lead to out-of-bounds write MISC bugzilla.redhat.com
[SECURITY] Fedora 36 Update: qemu-6.2.0-17.fc36 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 37 Update: qemu-7.0.0-12.fc37 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 36 Update: qemu-6.2.0-17.fc36 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160408 Oracle Enterprise Linux Security Update for qemu (ELSA-2023-12065)
  • 160453 Oracle Enterprise Linux Security Update for virt:kvm_utils (ELSA-2023-12108)
  • 178817 Debian Security Update for qemu (DSA 4980-1)
  • 183246 Debian Security Update for qemu (CVE-2021-3638)
  • 283510 Fedora Security Update for qemu (FEDORA-2022-22b1f8dae2)
  • 283617 Fedora Security Update for qemu (FEDORA-2023-c8a60f6f80)
  • 754898 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2023:3721-1)
  • 755084 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2023:4056-1)
  • 755817 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2024:0589-1)
  • 900747 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (8957)
  • 900989 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu (8975)
  • 902022 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (8957-1)
  • 902114 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu (8975-1)
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