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CVE-2016-8650 Details

Description

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.

Metrics

CVSS 3.x Severity and Vector Strings:

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

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=f5527fffff3f002b0a6b376163613b82f69de073	CVE	Issue TrackingPatchVendor Advisory
https://access.redhat.com/errata/RHSA-2017:0931	CVE
https://access.redhat.com/errata/RHSA-2017:0932	CVE
https://access.redhat.com/errata/RHSA-2017:0933	CVE
https://access.redhat.com/errata/RHSA-2018:1854	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1395187	CVE	Issue Tracking
http://seclists.org/fulldisclosure/2016/Nov/76	CVE	Mailing List
https://github.com/torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073	CVE	Issue TrackingPatchThird Party Advisory
https://source.android.com/security/bulletin/2017-03-01.html	CVE
http://www.openwall.com/lists/oss-security/2016/11/24/8	CVE	Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/94532	CVE
http://www.securitytracker.com/id/1037968	CVE
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5527fffff3f002b0a6b376163613b82f69de073	[email protected]	Issue TrackingPatchVendor Advisory
https://access.redhat.com/errata/RHSA-2017:0931	[email protected]
https://access.redhat.com/errata/RHSA-2017:0932	[email protected]
https://access.redhat.com/errata/RHSA-2017:0933	[email protected]
https://access.redhat.com/errata/RHSA-2018:1854	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1395187	[email protected]	Issue Tracking
http://seclists.org/fulldisclosure/2016/Nov/76	[email protected]	Mailing List
https://github.com/torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073	[email protected]	Issue TrackingPatchThird Party Advisory
https://source.android.com/security/bulletin/2017-03-01.html	[email protected]
http://www.openwall.com/lists/oss-security/2016/11/24/8	[email protected]	Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/94532	[email protected]
http://www.securitytracker.com/id/1037968	[email protected]

see all 24 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]
CWE-399	Resource Management Errors	[email protected]

Affected Products

Product	Versions
linux linux kernel	<= 4.8.11
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

12 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]
Feb 12, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
Jun 20, 2018	CVE Modified	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Jul 17, 2017	CVE Modified	[email protected]
Mar 8, 2017	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Nov 28, 2016	Initial Analysis	[email protected]