CVE-2017-6074 Information

Description

The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt system call.

CVSS Vector

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

Reference

http://rhn.redhat.com/errata/RHSA-2017-0293.html http://rhn.redhat.com/errata/RHSA-2017-0294.html http://rhn.redhat.com/errata/RHSA-2017-0295.html http://rhn.redhat.com/errata/RHSA-2017-0316.html http://rhn.redhat.com/errata/RHSA-2017-0323.html http://rhn.redhat.com/errata/RHSA-2017-0324.html http://rhn.redhat.com/errata/RHSA-2017-0345.html http://rhn.redhat.com/errata/RHSA-2017-0346.html http://rhn.redhat.com/errata/RHSA-2017-0347.html http://rhn.redhat.com/errata/RHSA-2017-0365.html http://rhn.redhat.com/errata/RHSA-2017-0366.html http://rhn.redhat.com/errata/RHSA-2017-0403.html http://rhn.redhat.com/errata/RHSA-2017-0501.html http://www.debian.org/security/2017/dsa-3791 http://www.openwall.com/lists/oss-security/2017/02/22/3 http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html http://www.securityfocus.com/bid/96310 http://www.securitytracker.com/id/1037876 https://access.redhat.com/errata/RHSA-2017:0932 https://access.redhat.com/errata/RHSA-2017:1209 https://github.com/torvalds/linux/commit/5edabca9d4cff7f1f2b68f0bac55ef99d9798ba4 https://source.android.com/security/bulletin/2017-07-01 https://www.exploit-db.com/exploits/41457/ https://www.exploit-db.com/exploits/41458/ https://www.tenable.com/security/tns-2017-07

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8