CVE-2016-2197 — MEDIUM (5.5)

Q: How severe is CVE-2016-2197?

CVE-2016-2197 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2016-2197?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.

Vulnerability Description

QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qemu	Qemu	<= 2.5.1.1

Related Weaknesses (CWE)

CWE-476

References

http://www.openwall.com/lists/oss-security/2016/01/29/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/30/1Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/82235Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1302057Issue Tracking
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.htmlPatchVendor Advisory
https://security.gentoo.org/glsa/201604-01Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/29/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/30/1Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/82235Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1302057Issue Tracking
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.htmlPatchVendor Advisory
https://security.gentoo.org/glsa/201604-01Third Party Advisory

FAQ

What is CVE-2016-2197?

CVE-2016-2197 is a vulnerability with a CVSS score of 5.5 (MEDIUM). QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Bl...

How severe is CVE-2016-2197?

CVE-2016-2197 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-2016-2197?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.