Vulnerability Description
QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers (IMR). A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.4.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c6048f849c7e3f009786df76206e895
- http://www.debian.org/security/2016/dsa-3471Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/7Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/79822Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034575Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1270876Issue Tracking
- https://security.gentoo.org/glsa/201602-01Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c6048f849c7e3f009786df76206e895
- http://www.debian.org/security/2016/dsa-3471Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/7Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/79822Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034575Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1270876Issue Tracking
FAQ
What is CVE-2015-8745?
CVE-2015-8745 is a vulnerability with a CVSS score of 5.5 (MEDIUM). QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers (IMR). A privileged (CAP_SYS_...
How severe is CVE-2015-8745?
CVE-2015-8745 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8745?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.