CVE-2019-12881: Null Pointer Dereference
First published: Tue Jun 18 2019(Updated: )
i915_gem_userptr_get_pages in drivers/gpu/drm/i915/i915_gem_userptr.c in the Linux kernel 4.15.0 on Ubuntu 18.04.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact via crafted ioctl calls to /dev/dri/card0.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | =4.15 | |
| Canonical Ubuntu Linux | =18.04.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-12881?
The severity of CVE-2019-12881 is high with a CVSS score of 7.8.
Which software is affected by CVE-2019-12881?
The Linux kernel 4.15.0 on Ubuntu 18.04.2 is affected by CVE-2019-12881.
How can a local user exploit CVE-2019-12881?
A local user can exploit CVE-2019-12881 by crafting ioctl calls to /dev/dri/card0.
What is the possible impact of CVE-2019-12881?
The possible impact of CVE-2019-12881 is a denial of service (NULL pointer dereference and BUG) or unspecified other impact.
Are there any references available for CVE-2019-12881?
Yes, here are some references for CVE-2019-12881: [SecurityFocus](http://www.securityfocus.com/bid/108873), [GitHub Gist](https://gist.github.com/oxagast/472866fb2c3d439e10499d7141d0a520), [NetApp Advisory](https://security.netapp.com/advisory/ntap-20190710-0002/)
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