Vulnerability Description
The IPv6 implementation in the Linux kernel before 3.1 does not generate Fragment Identification values separately for each destination, which makes it easier for remote attackers to cause a denial of service (disrupted networking) by predicting these values and sending crafted packets.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.1 |
| Redhat | Enterprise Linux | 4.0 |
| Redhat | Enterprise Mrg | 2.0 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing ListPatchVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link
- http://www.openwall.com/lists/oss-security/2011/07/20/5Mailing ListThird Party Advisory
- http://www.securitytracker.com/id?1027274Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=723429Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/87c48fa3b4630905f98268dde838ee43626a060PatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing ListPatchVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link
- http://www.openwall.com/lists/oss-security/2011/07/20/5Mailing ListThird Party Advisory
- http://www.securitytracker.com/id?1027274Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=723429Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/87c48fa3b4630905f98268dde838ee43626a060PatchThird Party Advisory
FAQ
What is CVE-2011-2699?
CVE-2011-2699 is a vulnerability with a CVSS score of 7.5 (HIGH). The IPv6 implementation in the Linux kernel before 3.1 does not generate Fragment Identification values separately for each destination, which makes it easier for remote attackers to cause a denial of...
How severe is CVE-2011-2699?
CVE-2011-2699 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2699?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Redhat Enterprise Mrg.