CVE-2016-9120

Description

Race condition in the ion_ioctl function in drivers/staging/android/ion/ion.c in the Linux kernel before 4.6 allows local users to gain privileges or cause a denial of service (use-after-free) by calling ION_IOC_FREE on two CPUs at the same time.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7 issue tracking third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7 issue tracking patch vendor advisory
http://www.securityfocus.com/bid/94669 vdb entry third party advisory
http://source.android.com/security/bulletin/2016-12-01.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-9120?
CVE-2016-9120 has been scored as a high severity vulnerability.
How to fix CVE-2016-9120?
To fix CVE-2016-9120, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9120 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-9120 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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