Red Hat Bugzilla – Bug 880147
CVE-2012-4530 kernel: stack disclosure in binfmt_script load_script() [fedora-all]
Last modified: 2012-12-19 08:23:08 EST
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
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against the "Security Response" product referenced in the "Blocks" field.
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Please note: this issue affects multiple supported versions of Fedora.
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[bug automatically created by: add-tracking-bugs]
Please use the following update submission link to create the Bodhi
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Patches needed on all branches.
Patches applied to F16-rawhide.
kernel-3.6.8-2.fc16 has been submitted as an update for Fedora 16.
kernel-3.6.8-2.fc17 has been submitted as an update for Fedora 17.
* should fix your issue,
* was pushed to the Fedora 17 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing kernel-3.6.8-2.fc17'
as soon as you are able to, then reboot.
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then log in and leave karma (feedback).
kernel-3.6.8-2.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.
kernel-3.6.9-4.fc18 has been submitted as an update for Fedora 18.
kernel-3.6.9-2.fc16 has been submitted as an update for Fedora 16.
kernel-3.6.9-4.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.
kernel-3.6.10-2.fc16 has been submitted as an update for Fedora 16.
kernel-3.6.10-2.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.
In a surprising development, the patch returning -ELOOP to end the inadvertent recursions was removed from the -mm tree.
Which means the issue still persists.
(In reply to comment #13)
> In a surprising development, the patch returning -ELOOP to end the
> inadvertent recursions was removed from the -mm tree.
> -> http://www.spinics.net/lists/mm-commits/msg93063.html
> Which means the issue still persists.
No it doesn't. We've patched it in Fedora. We don't use -mm directly, so the issue is still fixed.
Also, it says it was removed because it was merged. That means Andrew sent it to Linus and it's in Linus' tree now. It's there as:
Author: Kees Cook <firstname.lastname@example.org>
Date: Mon Dec 17 16:03:20 2012 -0800
exec: use -ELOOP for max recursion depth