CVE-2010-2942 Information

Description

The actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does not properly initialize certain structure members when performing dump operations which allows local users to obtain potentially sensitive information from kernel memory via vectors related to (1) the tcf_gact_dump function in net/sched/act_gact.c (2) the tcf_mirred_dump function in net/sched/act_mirred.c (3) the tcf_nat_dump function in net/sched/act_nat.c (4) the tcf_simp_dump function in net/sched/act_simple.c and (5) the tcf_skbedit_dump function in net/sched/act_skbedit.c.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=1c40be12f7d8ca1d387510d39787b12e512a7ce8 http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://patchwork.ozlabs.org/patch/61857/ http://secunia.com/advisories/41512 http://secunia.com/advisories/46397 http://support.avaya.com/css/P8/documents/100113326 http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc2 http://www.openwall.com/lists/oss-security/2010/08/18/1 http://www.openwall.com/lists/oss-security/2010/08/19/4 http://www.redhat.com/support/errata/RHSA-2010-0723.html http://www.redhat.com/support/errata/RHSA-2010-0771.html http://www.redhat.com/support/errata/RHSA-2010-0779.html http://www.securityfocus.com/archive/1/520102/100/0/threaded http://www.securityfocus.com/bid/42529 http://www.ubuntu.com/usn/USN-1000-1 http://www.vmware.com/security/advisories/VMSA-2011-0012.html http://www.vupen.com/english/advisories/2010/2430 http://www.vupen.com/english/advisories/2011/0298 https://bugzilla.redhat.com/show_bug.cgi?id=624903

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5