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CVE-2016-3841

Date: August 6, 2016

The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.

Language: C

Severity Score

Related Resources (13)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39
http://rhn.redhat.com/errata/RHSA-2016-2695.html
https://nvd.nist.gov/vuln/detail/CVE-2016-3841
https://access.redhat.com/security/cve/CVE-2016-3841
http://source.android.com/security/bulletin/2016-08-01.html
http://rhn.redhat.com/errata/RHSA-2016-2574.html
https://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39
http://www.securityfocus.com/bid/92227
http://rhn.redhat.com/errata/RHSA-2016-0855.html
http://rhn.redhat.com/errata/RHSA-2016-2584.html
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-3841
https://www.mend.io/vulnerability-database/CVE-2016-3841

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

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

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