From: Ian Campbell <Ian.Campbell@citrix.com>
To: <netdev@vger.kernel.org>
Cc: <xen-devel@lists.xen.org>
Subject: [PATCH 0/4] XSA-39 CVE-2013-021[67]: Linux netback DoS via malicious guest ring.
Date: Wed, 6 Feb 2013 17:18:01 +0000 [thread overview]
Message-ID: <1360171081.32479.20.camel@zakaz.uk.xensource.com> (raw)
The Xen netback implementation contains a couple of flaws which can
allow a guest to cause a DoS in the backend domain, potentially
affecting other domains in the system.
CVE-2013-0216 is a failure to sanity check the ring producer/consumer
pointers which can allow a guest to cause netback to loop for an
extended period preventing other work from occurring.
CVE-2013-0217 is a memory leak on an error path which is guest
triggerable.
The following series contains the fixes for these issues, as previously
included in Xen Security Advisory 39:
http://lists.xen.org/archives/html/xen-announce/2013-02/msg00001.html
Ian.
next reply other threads:[~2013-02-06 17:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-06 17:18 Ian Campbell [this message]
2013-02-06 17:18 ` [PATCH 1/4] xen/netback: shutdown the ring if it contains garbage Ian Campbell
2013-02-06 17:18 ` [PATCH 2/4] xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop Ian Campbell
2013-02-06 17:18 ` [PATCH 3/4] xen/netback: free already allocated memory on failure in xen_netbk_get_requests Ian Campbell
2013-02-06 17:31 ` Ben Pfaff
2013-02-06 18:47 ` David Miller
2013-02-07 9:40 ` Ian Campbell
2013-02-06 17:18 ` [PATCH 4/4] netback: correct netbk_tx_err to handle wrap around Ian Campbell
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