CVE-2017-8824

high

Description

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

References

Advisories
Exploits

https://www.debian.org/security/2018/dsa-4082

https://www.debian.org/security/2017/dsa-4073

https://usn.ubuntu.com/3583-2/

https://usn.ubuntu.com/3583-1/

https://usn.ubuntu.com/3582-2/

https://usn.ubuntu.com/3582-1/

https://usn.ubuntu.com/3581-3/

https://usn.ubuntu.com/3581-2/

https://usn.ubuntu.com/3581-1/

https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html

https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0

https://access.redhat.com/errata/RHSA-2018:3822

https://access.redhat.com/errata/RHSA-2018:1319

https://access.redhat.com/errata/RHSA-2018:1216

https://access.redhat.com/errata/RHSA-2018:1170

https://access.redhat.com/errata/RHSA-2018:1130

https://access.redhat.com/errata/RHSA-2018:1062

https://access.redhat.com/errata/RHSA-2018:0676

https://access.redhat.com/errata/RHSA-2018:0399

http://www.securityfocus.com/bid/102056

http://www.openwall.com/lists/oss-security/2017/12/05/1

http://lists.openwall.net/netdev/2017/12/04/224

http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html

https://www.exploit-db.com/exploits/43234/

Details

Source: Mitre, NVD

Published: 2017-12-05

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

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