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CVE-2008-3831

Published: 20 October 2008

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.

From the Ubuntu Security Team

It was discovered the the i915 video driver did not correctly validate memory addresses. A local attacker could exploit this to remap memory that could cause a system crash, leading to a denial of service. This issue did not affect Ubuntu 6.06 and was previous fixed for Ubuntu 7.10 and 8.04 in USN-659-1. Ubuntu 8.10 has now been corrected as well.

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
dapper Does not exist

feisty Does not exist

gutsy Does not exist

hardy
Released (2.6.24-21.43)
intrepid
Released (2.6.27-9.19)
upstream
Released (2.6.27.3)
linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper Not vulnerable
(code not present)
feisty Does not exist

gutsy Does not exist

hardy Does not exist

intrepid Does not exist

upstream Not vulnerable
(code not present)
linux-source-2.6.20
Launchpad, Ubuntu, Debian
dapper Does not exist

feisty Ignored
(end of life, was pending)
gutsy Does not exist

hardy Does not exist

intrepid Does not exist

upstream Needs triage

linux-source-2.6.22
Launchpad, Ubuntu, Debian
dapper Does not exist

feisty Does not exist

gutsy
Released (2.6.22-15.59)
hardy Does not exist

intrepid Does not exist

upstream Needs triage