Medium severity · published May 11, 2022
CVE-2021-3611
A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.0 · source: NVD
QE
Qemu · Qemu
before 7.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3611
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3611
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1973784
Exploit
https://gitlab.com/qemu-project/qemu/-/issues/542
Third Party Advisory
https://security.gentoo.org/glsa/202208-27
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220624-0001/
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