CVE-2017-8824

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.74% Top 30%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: n/a Linux kernel through 4.14.3
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2018/dsa-4082 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html third party advisory mailing list
https://usn.ubuntu.com/3583-2/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html third party advisory vendor advisory
https://usn.ubuntu.com/3582-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1062 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1319 third party advisory vendor advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 third party advisory
https://usn.ubuntu.com/3583-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0676 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1216 third party advisory vendor advisory
https://www.exploit-db.com/exploits/43234/ third party advisory vdb entry exploit
http://www.securityfocus.com/bid/102056 third party advisory vdb entry
https://usn.ubuntu.com/3581-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3581-3/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1170 third party advisory vendor advisory
https://usn.ubuntu.com/3581-2/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1130 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0399 third party advisory vendor advisory
https://www.debian.org/security/2017/dsa-4073 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3822 third party advisory vendor advisory
http://lists.openwall.net/netdev/2017/12/04/224 third party advisory
https://usn.ubuntu.com/3582-2/ third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/12/05/1 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-8824?
CVE-2017-8824 has been scored as a high severity vulnerability.
How to fix CVE-2017-8824?
To fix CVE-2017-8824, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-8824 being actively exploited in the wild?
It is possible that CVE-2017-8824 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-8824?
CVE-2017-8824 affects n/a Linux kernel through 4.14.3.
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