CVE-2016-2069

Published: Apr 27, 2016Modified: May 6, 2026

7.4

Vector

CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.4 / Impact: 5.9

Source: NVD

Description

Race condition in arch/x86/mm/tlb.c in the Linux kernel before 4.4.1 allows local users to gain privileges by triggering access to a paging structure by a different CPU.

Affected (3)

Products: Canonical: Ubuntu Linux · Linux: Linux Kernel

1 product

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 12.04
Canonical Ubuntu Linux	Version 14.04

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 4.4

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (44)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71b3c126e61177eb693423f2e18a1914205b165e

Source: cve@mitre.org

Vendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

http://rhn.redhat.com/errata/RHSA-2017-0817.html

Source: cve@mitre.org

http://www.debian.org/security/2016/dsa-3503

Source: cve@mitre.org

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2016/01/25/1

Source: cve@mitre.org

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

Source: cve@mitre.org

http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html

Source: cve@mitre.org

http://www.securityfocus.com/bid/81809

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2931-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2932-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2967-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2967-2

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2989-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2998-1

Source: cve@mitre.org

https://bugzilla.redhat.com/show_bug.cgi?id=1301893

Source: cve@mitre.org

https://github.com/torvalds/linux/commit/71b3c126e61177eb693423f2e18a1914205b165e

Source: cve@mitre.org

PatchVendor Advisory

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71b3c126e61177eb693423f2e18a1914205b165e