Buffer overflow in Qemu
CVE-2016-4441
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- lists.gnu.org/archive/html/qemu-devel/2016-05/msg03274.html (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3047-1 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201609-01 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3047-2 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/05/19/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00038.html (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/90762 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-4441?
- CVE-2016-4441 is a medium-severity vulnerability in Qemu, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.0/10. Published 2016-05-20.
- How severe is CVE-2016-4441?
- Medium severity. CVSS v3 base score is 6.0 out of 10.