Vulnerability Details : CVE-2021-3611
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.
Vulnerability category: OverflowMemory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2021-3611
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 30 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-3611
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: secalert@redhat.com (Primary)
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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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https://bugzilla.redhat.com/show_bug.cgi?id=1973784
1973784 – (CVE-2021-3611) CVE-2021-3611 QEMU: intel-hda: segmentation fault due to stack overflowIssue Tracking;Mitigation;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20220624-0001/
CVE-2021-3611 QEMU Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://gitlab.com/qemu-project/qemu/-/issues/542
Stack-overflow in ldl_le_dma through intel-hda (CVE-2021-3611) (#542) · Issues · QEMU / QEMU · GitLabExploit;Third Party Advisory
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https://security.gentoo.org/glsa/202208-27
QEMU: Multiple Vulnerabilities (GLSA 202208-27) — Gentoo securityThird Party Advisory
Products affected by CVE-2021-3611
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*