CVE-2011-1013
First published: Wed Feb 23 2011(Updated: )
Description: It has been found that drm_modeset_ctl() did not properly validate input parameters. The issue is that the crtc variable there is signed. So a large enough value passed in the modeset parameter structure will be treated as negative, escaping the check for proper range later. This variable is later used as an index variable effectively allowing out of bounds writes of zero integers.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <2.6.38 | |
| Openbsd Openbsd | <=4.8 | |
| debian/linux-2.6 |
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Reference Links
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c
- http://www.securityfocus.com/bid/47639
- https://bugzilla.redhat.com/show_bug.cgi?id=679925
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67199
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1922756124ddd53846877416d92ba4a802bc658f
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c.diff?r1=1.41%3Br2=1.42%3Bf=h
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=480579&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=480579&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=480596&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=480596&action=edit
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c.diff?r1=1.41;r2=1.42;f=h
- http://git.kernel.org/linus/1922756124ddd53846877416d92ba4a802bc658f
- https://rhn.redhat.com/errata/RHSA-2011-0500.html
- https://rhn.redhat.com/errata/RHSA-2011-0498.html
- https://launchpad.net/bugs/cve/CVE-2011-1013
- https://security-tracker.debian.org/tracker/CVE-2011-1013
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1013
- https://nvd.nist.gov/vuln/detail/CVE-2011-1013
- https://ubuntu.com/security/CVE-2011-1013
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