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CVE-2015-8340

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Date: December 17, 2015

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.

Language: C

Severity Score

Related Resources (9)

https://security.gentoo.org/glsa/201604-03
http://www.debian.org/security/2016/dsa-3519
http://xenbits.xen.org/xsa/advisory-159.html
http://support.citrix.com/article/CTX203451
http://www.securityfocus.com/bid/79038
https://nvd.nist.gov/vuln/detail/CVE-2015-8340
http://www.securitytracker.com/id/1034391
https://access.redhat.com/security/cve/CVE-2015-8340
https://www.mend.io/vulnerability-database/CVE-2015-8340

Severity Score

Weakness Type (CWE)

Code

CWE-17

Top Fix

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CVSS v3.1

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

CVSS v2

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

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