CVE-2016-3841 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39 http://rhn.redhat.com/errata/RHSA-2016-0855.html http://rhn.redhat.com/errata/RHSA-2016-2574.html http://rhn.redhat.com/errata/RHSA-2016-2584.html http://rhn.redhat.com/errata/RHSA-2016-2695.html http://source.android.com/security/bulletin/2016-08-01.html http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3 http://www.securityfocus.com/bid/92227 https://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.3