CVE-2010-3861 Information

Description

The ethtool_get_rxnfc function in net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize a certain block of heap memory which allows local users to obtain potentially sensitive information via an ETHTOOL_GRXCLSRLALL ethtool command with a large info.rule_cnt value a different vulnerability than CVE-2010-2478.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ae6df5f96a51818d6376da5307d773baeece4014 http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://openwall.com/lists/oss-security/2010/10/25/4 http://openwall.com/lists/oss-security/2010/10/26/1 http://secunia.com/advisories/42758 http://secunia.com/advisories/42778 http://secunia.com/advisories/42801 http://secunia.com/advisories/42890 http://secunia.com/advisories/42932 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36 http://www.redhat.com/support/errata/RHSA-2010-0958.html http://www.redhat.com/support/errata/RHSA-2011-0007.html http://www.securityfocus.com/bid/44427 http://www.ubuntu.com/usn/USN-1041-1 http://www.vupen.com/english/advisories/2011/0012 http://www.vupen.com/english/advisories/2011/0070 http://www.vupen.com/english/advisories/2011/0124 http://www.vupen.com/english/advisories/2011/0298 https://bugzilla.redhat.com/show_bug.cgi?id=646725