Buffer overflow in Qemu
CVE-2016-8668
The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging failure to limit DMA buffer size.
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 (31.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% 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
- openSUSE Leap — versions 42.2
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/10/15/9 (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201611-11 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/10/14/8 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2016-10/msg02501.html (mailing-list, Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2016-12/msg00140.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/93566 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-8668?
- CVE-2016-8668 is a medium-severity vulnerability in Qemu, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.0/10. Published 2016-11-04.
- How severe is CVE-2016-8668?
- Medium severity. CVSS v3 base score is 6.0 out of 10.