CVE-2011-2898

net/packet/af_packet.c in the Linux kernel before 2.6.39.3 does not properly restrict user-space access to certain packet data structures associated with VLAN Tag Control Information, which allows local users to obtain potentially sensitive information via a crafted application.

• CWE-200

• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3Broken Link
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13fcb7bd322164c67926ffe272846d4860196dc6
• http://www.openwall.com/lists/oss-security/2011/08/03/7Mailing List, Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=728023Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/13fcb7bd322164c67926ffe272846d4860196dc6Patch, Third Party Advisory
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3Broken Link
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13fcb7bd322164c67926ffe272846d4860196dc6
• http://www.openwall.com/lists/oss-security/2011/08/03/7Mailing List, Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=728023Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/13fcb7bd322164c67926ffe272846d4860196dc6Patch, 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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