Vulnerability Description
Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.7.1 |
| Debian | Debian Linux | 8.0 |
| Opensuse | Leap | 42.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/28/2Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/30/8Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93956Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201611-11Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/28/2Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/30/8Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93956Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201611-11Third Party Advisory
FAQ
What is CVE-2016-9104?
CVE-2016-9104 is a vulnerability with a CVSS score of 4.4 (MEDIUM). Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (...
How severe is CVE-2016-9104?
CVE-2016-9104 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9104?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux, Opensuse Leap.