CVE-2016-7916

Published: Nov 16, 2016Modified: May 6, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.

Affected (1)

Products: Linux: Linux Kernel

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 4.5.3

Related CWEs

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 (18)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3

Source: security@android.com

Issue TrackingPatchThird Party Advisory

http://source.android.com/security/bulletin/2016-11-01.html

Source: security@android.com

Third Party Advisory

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4

Source: security@android.com

Release NotesVendor Advisory

http://www.securityfocus.com/bid/94138

Source: security@android.com

Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-3159-1

Source: security@android.com

http://www.ubuntu.com/usn/USN-3159-2

Source: security@android.com

https://bugzilla.kernel.org/show_bug.cgi?id=116461

Source: security@android.com

Issue Tracking

https://forums.grsecurity.net/viewtopic.php?f=3&t=4363

Source: security@android.com

Issue Tracking

https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3

Source: security@android.com

Issue TrackingPatchThird Party Advisory

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

http://source.android.com/security/bulletin/2016-11-01.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

http://www.securityfocus.com/bid/94138

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-3159-1

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.ubuntu.com/usn/USN-3159-2

Source: af854a3a-2127-422b-91ae-364da2661108

https://bugzilla.kernel.org/show_bug.cgi?id=116461

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

https://forums.grsecurity.net/viewtopic.php?f=3&t=4363

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

Timeline

No history available yet.