CVE-2017-8824 EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 1.3% (pctl 71)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 1.34% — more likely to be exploited than 71% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-12-05 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| linux | linux kernel |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel 4.10.5 / < 4.14.3 (Ubuntu) - DCCP Socket Use-After-Free | 2017-12-07 |
References
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- http://lists.openwall.net/netdev/2017/12/04/224
- http://www.openwall.com/lists/oss-security/2017/12/05/1
- http://www.securityfocus.com/bid/102056
- https://access.redhat.com/errata/RHSA-2018:0399
- https://access.redhat.com/errata/RHSA-2018:0676
- https://access.redhat.com/errata/RHSA-2018:1062
- https://access.redhat.com/errata/RHSA-2018:1130
- https://access.redhat.com/errata/RHSA-2018:1170
- https://access.redhat.com/errata/RHSA-2018:1216
- https://access.redhat.com/errata/RHSA-2018:1319
- https://access.redhat.com/errata/RHSA-2018:3822
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://usn.ubuntu.com/3581-1/
- https://usn.ubuntu.com/3581-2/
- https://usn.ubuntu.com/3581-3/
- https://usn.ubuntu.com/3582-1/
- https://usn.ubuntu.com/3582-2/
- https://usn.ubuntu.com/3583-1/
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