The get_name function in net/tipc/socket.c in the Linux kernel before 2.6.37-rc2 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory by reading a copy of this structure.

References

• https://nvd.nist.gov/vuln/detail/CVE-2010-3877
• https://bugzilla.redhat.com/show_bug.cgi?id=649717
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64578
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=88f8a5e3e7defccd3925cabb1ee4d3994e5cdb52
• http://marc.info/?l=linux-netdev&m=128854507420917&w=2
• http://openwall.com/lists/oss-security/2010/11/02/7
• http://openwall.com/lists/oss-security/2010/11/04/5
• http://secunia.com/advisories/42884
• http://secunia.com/advisories/46397
• http://www.debian.org/security/2010/dsa-2126
• http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
• http://www.redhat.com/support/errata/RHSA-2011-0017.html
• http://www.securityfocus.com/archive/1/520102/100/0/threaded
• http://www.securityfocus.com/bid/44630
• http://www.vmware.com/security/advisories/VMSA-2011-0012.html
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=88f8a5e3e7defccd3925cabb1ee4d3994e5cdb52