CVE-2005-4881 Information disclosure in n/a

Medium 4.9 Published Updated

Local attackers can read sensitive kernel memory via uninitialized padding fields in the netlink subsystem, potentially exposing private data.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2005-4881?

CVE-2005-4881 is a medium-severity vulnerability in Linux kernel, published on 19 Oct 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2005-4881?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-4881?

Upgrade to a fixed version.

Is CVE-2005-4881 being exploited?

There is no known exploitation of CVE-2005-4881 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-jfwc-rxqw-vvj6.

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