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CVE-2016-9576

Good to know:

Date: December 28, 2016

The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device.

Language: C

Severity Score

7.8

Related Resources (24)

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1403145

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9576

Url: http://www.openwall.com/lists/oss-security/2016/12/08/19

Url: http://www.securityfocus.com/bid/94821

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html

Url: http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14

Url: https://security-tracker.debian.org/tracker/CVE-2016-9576

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-9576

Url: https://access.redhat.com/security/cve/CVE-2016-9576

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0ac402cfcdc904f9772e1762b3fda112dcc56a0

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00041.html

Url: https://access.redhat.com/errata/RHSA-2017:2077

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

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html

Url: https://access.redhat.com/errata/RHSA-2017:1842

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html

Url: https://access.redhat.com/errata/RHSA-2017:2669

Url: https://github.com/torvalds/linux/commit/a0ac402cfcdc904f9772e1762b3fda112dcc56a0

Url: http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00040.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-9576

Severity Score

7.8

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

Upgrade Version

Upgrade to version 4.8.14

Learn More

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2016-9576

Good to know:

Date: December 28, 2016

Language: C

Severity Score

Related Resources (24)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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