CVE-2014-2580

MEDIUM

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.

References

http://www.openwall.com/lists/oss-security/2014/03/24/6

http://www.openwall.com/lists/oss-security/2014/03/24/8

http://www.securityfocus.com/bid/66386

http://www.securitytracker.com/id/1029949

http://xenbits.xen.org/xsa/advisory-90.html

Details

Source: MITRE

Published: 2014-04-15

Updated: 2014-04-16

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.4

Vector: AV:L/AC:M/Au:S/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 2.7

Severity: MEDIUM