What’s Vulnerable › Vulnerabilities

CVE-2012-0044

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-05-17 · updated 2026-06-16
• Weakness: CWE-190

Description

Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.1.5 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted ioctl call.

Affected products

• Canonical Ubuntu Linux: 10.04
• Linux kernel: before 3.0.13; from 3.1 before 3.1.5 — fixed in 3.0.13, 3.1.5

How to fix

Upgrade to a fixed version: Linux kernel 3.0.13, 3.1.5. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2
• http://rhn.redhat.com/errata/RHSA-2012-0743.html
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5
• http://www.openwall.com/lists/oss-security/2012/01/12/1
• http://www.securityfocus.com/bid/51371
• http://www.ubuntu.com/usn/USN-1555-1
• http://www.ubuntu.com/usn/USN-1556-1
• https://bugzilla.redhat.com/show_bug.cgi?id=772894
• https://github.com/torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2
• http://rhn.redhat.com/errata/RHSA-2012-0743.html
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5

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