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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.
| Reporter | Title | Published | Views | Family All 86 |
|---|---|---|---|---|
 | Astra Linux - уязвимость в qemu | 3 May 202623:59 | – | astralinux |
 | CVE-2021-3638 affecting package qemu-kvm 4.2.0-38 | 26 May 202219:04 | – | cbl_mariner |
| CVE-2021-3638 affecting package qemu for versions less than 6.2.0-2 | 3 Jun 202217:54 | – | cbl_mariner |
 | QEMU 缓冲区错误漏洞 | 7 Jul 202100:00 | – | cnnvd |
 | CVE-2021-3638 | 3 Mar 202200:00 | – | cve |
 | CVE-2021-3638 | 3 Mar 202200:00 | – | cvelist |
 | [SECURITY] [DSA 4980-1] qemu security update | 3 Oct 202118:26 | – | debian |
 | CVE-2021-3638 | 3 Mar 202200:00 | – | debiancve |
 | Debian DSA-4980-1 : qemu - security update | 4 Oct 202100:00 | – | nessus |
| EulerOS Virtualization 2.10.1 : qemu (EulerOS-SA-2023-1161) | 11 Jan 202300:00 | – | nessus |
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10 Mar 2023 08:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 22.1
CVSS 3.16.5
EPSS0.0002