Input validation error in Linux kernel - CVE-2012-2383
Published: June 13, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43983
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2383
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Integer overflow in the i915_gem_execbuffer2 function in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.3.5 on 32-bit platforms allows local users to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted ioctl call.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)
How to mitigate CVE-2012-2383
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 3.0.0-21.35, 3.2.0-25.40
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-21.35~lucid1
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-21.35~lucid1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed8cd3b2cd61004cab85380c52b1817aca1ca49b
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://rhn.redhat.com/errata/RHSA-2012-1156.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.5
- http://www.openwall.com/lists/oss-security/2012/05/22/8
- http://www.securityfocus.com/bid/53971
- https://bugzilla.redhat.com/show_bug.cgi?id=824176
- https://github.com/torvalds/linux/commit/ed8cd3b2cd61004cab85380c52b1817aca1ca49b