Out-of-bounds read in Linux kernel - CVE-2016-6156
Published: August 6, 2016 / Updated: November 28, 2016
Vulnerability identifier: #VU90377
CSH Severity: Medium
CVSS v4: 5.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6156
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the ec_device_ioctl_xcmd() function in drivers/platform/chrome/cros_ec_dev.c. A local non-authenticated attacker can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2016-6156
Install update from vendor's website.
Linux kernel - update to 4.7
kernel - addressed in versions 4.6.4-201.fc23, 4.6.4-301.fc24
kernel - addressed in versions 4.6.4-201.fc23, 4.6.4-301.fc24
External 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