CVE-2015-3332

MEDIUM

Description

A certain backport in the TCP Fast Open implementation for the Linux kernel before 3.18 does not properly maintain a count value, which allow local users to cause a denial of service (system crash) via the Fast Open feature, as demonstrated by visiting the chrome://flags/#enable-tcp-fast-open URL when using certain 3.10.x through 3.16.x kernel builds, including longterm-maintenance releases and ckt (aka Canonical Kernel Team) builds.

References

http://article.gmane.org/gmane.linux.network/359588

http://www.debian.org/security/2015/dsa-3237

http://www.openwall.com/lists/oss-security/2015/04/14/14

https://bugs.debian.org/782515

https://bugzilla.redhat.com/show_bug.cgi?id=1213951

Details

Source: MITRE

Published: 2015-05-27

Updated: 2016-04-11

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.9

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

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM