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PRIOn knowledge basePRION:CVE-2011-4112HistoryMay 17, 2012 - 11:00 a.m.
Design/Logic Flaw
2012-05-1711:00:00
PRIOn knowledge base
www.prio-n.com
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The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.
References
downloads.avaya.com/css/P8/documents/100156038
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
www.openwall.com/lists/oss-security/2011/11/21/4
bugzilla.redhat.com/show_bug.cgi?id=751006
github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162
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