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.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2021-3611
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3611
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
-
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
-
https://security.netapp.com/advisory/ntap-20220624-0001/
CVE-2021-3611 QEMU Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
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
-
https://security.gentoo.org/glsa/202208-27
QEMU: Multiple Vulnerabilities (GLSA 202208-27) — Gentoo securityThird Party Advisory
Jump to