VulnerabilityModified

CVE-2016-9120

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.

HIGH 7.8EPSS 1.74%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 1.74% probability · 78th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-264, CWE-416
Affected: linux/linux kernel
Source: security@android.com

EPSS trend

EPSS 1.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Vendor Advisory
http://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
http://www.securityfocus.com/bid/94669Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Vendor Advisory
http://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
http://www.securityfocus.com/bid/94669Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.