CVE-2016-7423
CVE-2016-7423 is a medium-severity vulnerability in Qemu with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.4)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Qemu
- Published:
- Last modified:
Description
The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.
Frequently asked questions
- What is CVE-2016-7423?
- The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.
- How severe is CVE-2016-7423?
- CVE-2016-7423 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-7423 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-7423?
- CVE-2016-7423 affects Qemu. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-7423?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-7423 published?
- CVE-2016-7423 was published on 2016-10-10 and last updated on 2026-06-17.
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=670e56d3ed2918b3861d9216f2c0540d9e9ae0d5
- http://www.openwall.com/lists/oss-security/2016/09/16/11
- http://www.openwall.com/lists/oss-security/2016/09/16/5
- http://www.securityfocus.com/bid/92997
- https://bugzilla.redhat.com/show_bug.cgi?id=1376776
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03604.html
- https://security.gentoo.org/glsa/201611-11
Affected products (1)
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
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