CVE-2014-2580

Description

The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of service ("scheduling while atomic" error and host crash) via a malformed packet, which causes a mutex to be taken when trying to disable the interface.

CVSS Metrics

• v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:S/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.07%• Percentile: 22%

Techniques & Countermeasures

• CWE-399•Resource Management Errors

  Weaknesses in this category are related to improper management of system resources.

Affected Systems

• xen•xen

  na

References (5)

• http://xenbits.xen.org/xsa/advisory-90.html
• http://www.openwall.com/lists/oss-security/2014/03/24/8
• http://www.securityfocus.com/bid/66386
• http://www.openwall.com/lists/oss-security/2014/03/24/6
• http://www.securitytracker.com/id/1029949