Vulnerability in Qemu
CVE-2016-8578
The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.
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 (31.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% 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
- Debian Linux — versions 8.0
- openSUSE Leap — versions 42.2
References
- www.openwall.com/lists/oss-security/2016/10/10/14 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/10/10/8 (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201611-11 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2016-12/msg00140.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/93474 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2018/11/msg00038.html (mailing-list, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2016-09/msg07143.html (mailing-list, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-8578?
- CVE-2016-8578 is a medium-severity vulnerability in Qemu. CVSS score: 6.0/10. Published 2016-11-04.
- How severe is CVE-2016-8578?
- Medium severity. CVSS v3 base score is 6.0 out of 10.