Vulnerability in Qemu
CVE-2021-3682
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 u…
EPSS: 0.029 (85.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Qemu — versions 6.1.0
- Debian Debian_linux — versions 9.0, 10.0, 11.0
- Redhat Enterprise_linux — versions 8.0
- N/a Qemu — versions qemu 6.1.0-rc2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3682?
- CVE-2021-3682 is a high-severity vulnerability in Qemu, classified under Release of Invalid Pointer or Reference. CVSS score: 8.5/10. Published 2021-08-05.
- How severe is CVE-2021-3682?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2021-3682 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.