Vulnerability Details : CVE-2021-3611

Potential exploit
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.
Published 2022-05-11 16:15:09
Updated 2023-02-12 23:41:22
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionDenial of service

Products affected by CVE-2021-3611

Exploit prediction scoring system (EPSS) score for CVE-2021-3611

EPSS FAQ
0.02%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 3 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3611

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
 LOW AV:L/AC:L/Au:N/C:N/I:N/A:P
3.9
2.9
 NIST
6.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
2.0
4.0
 NIST

CWE ids for CVE-2021-3611

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: secalert@redhat.com (Primary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Secondary)

References for CVE-2021-3611

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