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CVE-2016-7916 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3	CVE	Issue TrackingPatchThird Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=116461	CVE	Issue Tracking
https://forums.grsecurity.net/viewtopic.php?f=3&t=4363	CVE	Issue Tracking
https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3	CVE	Issue TrackingPatchThird Party Advisory
http://source.android.com/security/bulletin/2016-11-01.html	CVE	Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4	CVE	Release NotesVendor Advisory
http://www.securityfocus.com/bid/94138	CVE	Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3159-1	CVE
http://www.ubuntu.com/usn/USN-3159-2	CVE
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3	[email protected]	Issue TrackingPatchThird Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=116461	[email protected]	Issue Tracking
https://forums.grsecurity.net/viewtopic.php?f=3&t=4363	[email protected]	Issue Tracking
https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3	[email protected]	Issue TrackingPatchThird Party Advisory
http://source.android.com/security/bulletin/2016-11-01.html	[email protected]	Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4	[email protected]	Release NotesVendor Advisory
http://www.securityfocus.com/bid/94138	[email protected]	Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3159-1	[email protected]
http://www.ubuntu.com/usn/USN-3159-2	[email protected]

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]

Affected Products

Product	Versions
linux linux kernel	<= 4.5.3
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 18, 2017	CVE Modified	[email protected]
Dec 2, 2016	Modified Analysis	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Nov 16, 2016	Initial Analysis	[email protected]