An out-of-bounds write flaw was found in the UAS (USB Attached SCSI) device emulation of QEMU in versions prior to 6.2.0-rc0. The device uses the guest supplied stream number unchecked which can lead to out-of-bounds access to the UASDevice->data3 and UASDevice->status3 fields. A malicious guest user could use this flaw to crash QEMU or potentially achieve code execution with the privileges of the QEMU process on the host.
| Reporter | Title | Published | Views | Family All 113 |
|---|---|---|---|---|
 | Security fix for the ALT Linux 10 package qemu version 6.1.1-alt1 | 1 Mar 202200:00 | – | altlinux |
 | CVE-2021-3713 | 25 Aug 202119:15 | – | attackerkb |
 | CVE-2021-3713 | 25 Aug 202118:40 | – | alpinelinux |
 | Astra Linux – Vulnerability in Qemu | 14 Sep 202612:01 | – | astralinux |
 | UAS emulation device QEMU Heap Buffer Overflow DoS | 21 Dec 202100:00 | – | bdu_fstec |
 | CVE-2021-3713 affecting package qemu-kvm 4.2.0-48 | 22 Sep 202115:16 | – | cbl_mariner |
| CVE-2021-3713 affecting package qemu for versions less than 6.2.0-2 | 3 Jun 202217:54 | – | cbl_mariner |
 | CVE-2021-3713 | 25 Aug 202122:26 | – | circl |
 | QEMU buffer error vulnerability | 17 Aug 202100:00 | – | cnnvd |
 | CVE-2021-3713 | 25 Aug 202118:40 | – | cve |
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10 Mar 2023 08:00Current
7High risk
Vulners AI Score7
CVSS 24.6
CVSS 3.17.4
EPSS0.00568