oss-sec mailing list archives

Re: CVE request: kernel: connector security bypass


From: Mark J Cox <mjc () redhat com>
Date: Mon, 2 Nov 2009 11:37:21 +0000 (GMT)

On Mon, 2 Nov 2009, Eugene Teo wrote:

1/ uvesafb/connector: Disallow unprivileged users to send netlink packets
upstream commit: cc44578b5a508889beb8ae3ccd4d2bbdf17bc86c
introduced in v2.6.24-rc1; fixed in v2.6.32-rc3

2/ pohmelfs/connector: Disallow unprivileged users to configure pohmelfs
upstream commit: 98a5783af02f4c9b87b676d7bbda6258045cfc76
(staging/experimental)

3/ dst/connector: Disallow unprivileged users to configure dst
upstream commit: 5788c56891cfb310e419c4f9ae20427851797431
(staging/experimental)

4/ dm/connector: Only process connector packages from privileged processes
upstream commit: 24836479a126e02be691e073c2b6cad7e7ab836a
introduced in v2.6.31-rc1; fixed in v2.6.32-rc3

References:
http://secunia.com/advisories/37113/
http://xorl.wordpress.com/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/

I'm going to give one name to all four issues. (Allowed as they are all of flaw type 'missing capability checks', found by the same reporter, and fixed at the same time).

CVE-2009-3725

Mark


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