CVE-2011-2699

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.

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=87c48fa3b4630905f98268dde838ee43626a060c
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link
• http://www.openwall.com/lists/oss-security/2011/07/20/5Mailing List, Third Party Advisory
• http://www.securitytracker.com/id?1027274Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=723429Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/87c48fa3b4630905f98268dde838ee43626a060cPatch, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=87c48fa3b4630905f98268dde838ee43626a060c
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link
• http://www.openwall.com/lists/oss-security/2011/07/20/5Mailing List, Third Party Advisory
• http://www.securitytracker.com/id?1027274Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=723429Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/87c48fa3b4630905f98268dde838ee43626a060cPatch, Third Party Advisory

Published

May 24, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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