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Date: Wed, 4 Nov 2015 10:11:16 -0500 (EST)
From: Vladis Dronov <vdronov@...hat.com>
To: oss-security@...ts.openwall.com
Cc: Petr Matousek <pmatouse@...hat.com>
Subject: CVE request -- Linux kernel: selinux: rate-limit unrecognized
netlink message warnings in selinux_nlmsg_perm()
It was found that the kernel produces unlimited number of warning
messages in case certain malformed NETLINK packets are received.
A local, unprivileged user could generate such packets unlimitedly
and potentially flood the kernel and the system log with excessive
warning messages.
Upstream patch proposal:
http://article.gmane.org/gmane.linux.kernel.lsm/25958
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1278005
Thanks,
Vladis
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