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CVE-2015-5166

Date: August 12, 2015

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

Language: C

Severity Score

Related Resources (10)

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html
https://nvd.nist.gov/vuln/detail/CVE-2015-5166
http://www.securitytracker.com/id/1033175
http://xenbits.xen.org/xsa/advisory-139.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-5166
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html
https://security-tracker.debian.org/tracker/CVE-2015-5166
http://www.securityfocus.com/bid/76152
https://www.mend.io/vulnerability-database/CVE-2015-5166

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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