Unrated severityNVD Advisory· Published Aug 5, 2021· Updated Aug 3, 2024
CVE-2021-3682
CVE-2021-3682
Description
A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfer from a SPICE client due to the packet queue being full. A malicious SPICE client could use this flaw to make QEMU call free() with faked heap chunk metadata, resulting in a crash of QEMU or potential code execution with the privileges of the QEMU process on the host.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- security.gentoo.org/glsa/202208-27mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2021/dsa-4980mitrevendor-advisoryx_refsource_DEBIAN
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2021/09/msg00000.htmlmitremailing-listx_refsource_MLIST
- lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlmitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20210902-0006/mitrex_refsource_CONFIRM
News mentions
0No linked articles in our index yet.