CVE-2016-3841

high

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.

References

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

Details

Source: MITRE

Published: 2016-08-06

Updated: 2018-01-05

Type: CWE-264

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 7.3

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

Impact Score: 5.9

Exploitability Score: 1.3

Severity: HIGH