CVE-2016-6156

Severity: medium (CVSS 5.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-08-06 · updated 2026-06-17
Weakness: CWE-362

Description

Race condition in the ec_device_ioctl_xcmd function in drivers/platform/chrome/cros_ec_dev.c in the Linux kernel before 4.7 allows local users to cause a denial of service (out-of-bounds array access) by changing a certain size value, aka a "double fetch" vulnerability.

Affected products

Linux kernel: through 4.6.6

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096cdc6f52225835ff503f987a0d68ef770bb78e
http://seclists.org/bugtraq/2016/Jul/20
http://www.securityfocus.com/bid/91553
https://bugzilla.kernel.org/show_bug.cgi?id=120131
https://bugzilla.redhat.com/show_bug.cgi?id=1353490
https://github.com/torvalds/linux/commit/096cdc6f52225835ff503f987a0d68ef770bb78e
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096cdc6f52225835ff503f987a0d68ef770bb78e
http://seclists.org/bugtraq/2016/Jul/20
http://www.securityfocus.com/bid/91553
https://bugzilla.kernel.org/show_bug.cgi?id=120131
https://bugzilla.redhat.com/show_bug.cgi?id=1353490
https://github.com/torvalds/linux/commit/096cdc6f52225835ff503f987a0d68ef770bb78e

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