Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | All versions |
| Linux | Linux Kernel | <= 3.17.8 |
Related Weaknesses (CWE)
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
- 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
FAQ
What is CVE-2015-3332?
CVE-2015-3332 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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) vi...
How severe is CVE-2015-3332?
CVE-2015-3332 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3332?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Linux Linux Kernel.