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CVE-2016-8650

Good to know:

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Date: November 27, 2016

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.

Language: C

Severity Score

Related Resources (17)

https://access.redhat.com/security/cve/CVE-2016-8650
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-8650
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5527fffff3f002b0a6b376163613b82f69de073
http://www.securityfocus.com/bid/94532
https://security-tracker.debian.org/tracker/CVE-2016-8650
https://github.com/torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073
http://seclists.org/fulldisclosure/2016/Nov/76
https://access.redhat.com/errata/RHSA-2018:1854
https://nvd.nist.gov/vuln/detail/CVE-2016-8650
http://www.securitytracker.com/id/1037968
https://bugzilla.redhat.com/show_bug.cgi?id=1395187
https://access.redhat.com/errata/RHSA-2017:0931
https://access.redhat.com/errata/RHSA-2017:0933
https://access.redhat.com/errata/RHSA-2017:0932
http://www.openwall.com/lists/oss-security/2016/11/24/8
https://source.android.com/security/bulletin/2017-03-01.html
https://www.mend.io/vulnerability-database/CVE-2016-8650

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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