CVE-2008-3831
First published: Mon Oct 20 2008(Updated: )
The i915 driver in (1) drivers/char/drm/i915_dma.c in the Linux kernel 2.6.24 on Debian GNU/Linux and (2) sys/dev/pci/drm/i915_drv.c in OpenBSD does not restrict the DRM_I915_HWS_ADDR ioctl to the Direct Rendering Manager (DRM) master, which allows local users to cause a denial of service (memory corruption) via a crafted ioctl call, related to absence of the DRM_MASTER and DRM_ROOT_ONLY flags in the ioctl's configuration.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | =2.6.24 | |
| Debian | ||
| OpenBSD |
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Reference Links
- http://security.debian.org/pool/updates/main/l/linux-2.6.24/linux-2.6.24_2.6.24-6~etchnhalf.6.diff.gz
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/i915_drv.c
- http://securitytracker.com/id?1021065
- http://archives.neohapsis.com/archives/openbsd/cvs/2008-10/0365.html
- http://www.securityfocus.com/bid/31792
- http://www.debian.org/security/2008/dsa-1655
- http://www.ubuntu.com/usn/usn-659-1
- http://secunia.com/advisories/32386
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00693.html
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00689.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:224
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0316
- http://secunia.com/advisories/32709
- http://www.ubuntu.com/usn/usn-679-1
- http://secunia.com/advisories/32918
- http://wiki.rpath.com/Advisories:rPSA-2008-0316
- http://www.redhat.com/support/errata/RHSA-2008-1017.html
- http://secunia.com/advisories/33182
- http://www.redhat.com/support/errata/RHSA-2009-0009.html
- http://secunia.com/advisories/33586
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-245846-1
- http://secunia.com/advisories/32315
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11542
- http://www.securityfocus.com/archive/1/498285/100/0/threaded
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/i915_drv.c.diff?r1=1.7%3Br2=1.8
Frequently Asked Questions
What is the severity of CVE-2008-3831?
CVE-2008-3831 has a medium severity rating due to its potential for causing denial of service.
How do I fix CVE-2008-3831?
To fix CVE-2008-3831, you should update to the latest version of the Linux kernel that has resolved this vulnerability.
Which systems are affected by CVE-2008-3831?
CVE-2008-3831 primarily affects the Linux kernel version 2.6.24 on Debian GNU/Linux.
Can CVE-2008-3831 be exploited remotely?
No, CVE-2008-3831 requires local user access to exploit the vulnerability.
What are the consequences of CVE-2008-3831?
Exploiting CVE-2008-3831 can lead to a denial of service condition on affected systems.
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