CVE-2017-8824
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…
- 7.8HighCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 28% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Linux Kernel 4.10.5 / < 4.14.3 (Ubuntu) - DCCP Socket Use-After-Free (Exploit-DB entry) (opens in a new tab)
EDB-ID 43234dos, linuxpublished 7 Dec 2017Verified
References tagged exploit1 reference
- 43234 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By debian
- 7 months later
· 7 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 28% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Linux kernel through 4.14.3
- affected Linux kernel through 4.14.3
References
24
- DSA-4082 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3583-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2018:0011 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3582-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:1062 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1319 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3583-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:0676 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1216 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 43234 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 102056 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-3581-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3581-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:1170 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3581-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:1130 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:0399 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-4073 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2018:3822 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://lists.openwall.net/netdev/2017/12/04/224 (opens in a new tab)x_refsource_MISCx_transferred
- USN-3582-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.openwall.com/lists/oss-security/2017/12/05/1 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-17767 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-8824)Record last updated .