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Vulnerability record · CVE-2017-6074 · published 18 February 2017

CVE-2017-6074: Linux kernel double free vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 6.0% · top 7.0% CWE-415 · Double free
7.8CVSS 3.1 base score, v2 7.2
6.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
50References
17 Jun 2026Last modified by NVD

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2017-6074), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.