Vulnerability CVE-2005-4881
Published: 2009-10-19   Modified: 2012-02-12

Description:
The netlink subsystem in the Linux kernel 2.4.x before 2.4.37.6 and 2.6.x before 2.6.13-rc1 does not initialize certain padding fields in structures, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors, related to the (1) tc_fill_qdisc, (2) tcf_fill_node, (3) neightbl_fill_info, (4) neightbl_fill_param_info, (5) neigh_fill_info, (6) rtnetlink_fill_ifinfo, (7) rtnetlink_fill_iwinfo, (8) vif_delete, (9) ipmr_destroy_unres, (10) ipmr_cache_alloc_unres, (11) ipmr_cache_resolve, (12) inet6_fill_ifinfo, (13) tca_get_fill, (14) tca_action_flush, (15) tcf_add_notify, (16) tc_dump_action, (17) cbq_dump_police, (18) __nlmsg_put, (19) __rta_fill, (20) __rta_reserve, (21) inet6_fill_prefix, (22) rsvp_dump, and (23) cbq_dump_ovl functions.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Missing initializations in dumped data
Patrick McHardy ...
21.10.2009

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
Linux -> Kernel 

 References:
http://www.openwall.com/lists/oss-security/2009/09/17/9
http://www.openwall.com/lists/oss-security/2009/09/17/1
http://www.openwall.com/lists/oss-security/2009/09/07/2
http://www.openwall.com/lists/oss-security/2009/09/06/2
http://www.openwall.com/lists/oss-security/2009/09/05/2
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.13/ChangeLog-2.6.13-rc1
http://marc.info/?l=git-commits-head&m=112002138324380
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b3563c4fbff906991a1b4ef4609f99cca2a0de6a
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9ef1d4c7c7aca1cd436612b6ca785b726ffb8ed8
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8a47077a0b5aa2649751c46e7a27884e6686ccbf
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.37.y.git;a=commit;h=3408cce0c2f380884070896420ca566704452fb5
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.37.y.git;a=commit;h=30e744716c4a6cc4e8ecaaddf68f20057c03dc8d
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.37.y.git;a=commit;h=0f3f2328f63c521fe4b435f148687452f98b2349
https://bugzilla.redhat.com/show_bug.cgi?id=521601
http://www.redhat.com/support/errata/RHSA-2009-1522.html
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.6
http://secunia.com/advisories/37909
http://secunia.com/advisories/37084
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11744
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
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