CVE-2016-4794

HIGH

Linux Kernel <= 4.6 - Use-After-Free in mm/percpu.c via mmap and bpf

Title source: llm

Description

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls.

References (12)

Core 12

Core References

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3054-1

Third Party Advisory x_refsource_confirm

https://source.android.com/security/bulletin/2016-12-01.html

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3053-1

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3055-1

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3056-1

Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2016/05/12/6

Third Party Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2016-2584.html

Third Party Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2016-2574.html

Exploit, Third Party Advisory mailing-list x_refsource_mlist

https://lkml.org/lkml/2016/4/17/125

Issue Tracking, Third Party Advisory, VDB Entry x_refsource_confirm

https://bugzilla.redhat.com/show_bug.cgi?id=1335889

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3057-1

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/90625

Scores

CVSS v3 7.8

EPSS 0.0049

EPSS Percentile 39.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published

Products (3)

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 16.04

linux/linux_kernel 3.18 - 3.18.37

Published May 23, 2016

Tracked Since Feb 18, 2026