What’s Vulnerable › Vulnerabilities

CVE-2014-3186

• Severity: medium (CVSS 6.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-09-28 · updated 2026-06-17
• Weakness: CWE-119

Description

Buffer overflow in the picolcd_raw_event function in devices/hid/hid-picolcd_core.c in the PicoLCD HID device driver in the Linux kernel through 3.16.3, as used in Android on Nexus 7 devices, allows physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that sends a large report.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04
• Linux kernel: from 2.6.35 before 3.2.63; from 3.3 before 3.4.104; from 3.5 before 3.10.56; from 3.11 before 3.12.31; from 3.13 before 3.14.20; from 3.15 before 3.16.4 — fixed in 3.10.56, 3.12.31, 3.14.20, 3.16.4, 3.2.63, 3.4.104

How to fix

Upgrade to a fixed version: Linux kernel 3.10.56, 3.12.31, 3.14.20, 3.16.4. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=844817e47eef14141cf59b8d5ac08dd11c0a9189
• http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
• http://www.openwall.com/lists/oss-security/2014/09/11/22
• http://www.securityfocus.com/bid/69763
• http://www.ubuntu.com/usn/USN-2376-1
• http://www.ubuntu.com/usn/USN-2377-1
• http://www.ubuntu.com/usn/USN-2378-1
• http://www.ubuntu.com/usn/USN-2379-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1141407
• https://code.google.com/p/google-security-research/issues/detail?id=101
• https://github.com/torvalds/linux/commit/844817e47eef14141cf59b8d5ac08dd11c0a9189

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