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 denial of service (use-after-free) via an AF_UNSPEC connect system
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 70.9% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-12-05 09:00Z8 YR AGO
- Last updated
- 2024-08-05 16:48Z2 YR AGO
- Reserved
- 2017-05-07
- Assigning CNA
- debian
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- b3851e2a5e6ec548cb72179fbce8ca9c2dd109eee739ec40c48d646327640b47
05 Affected products
06 References
- www.debian.orgDSA-4082https://www.debian.org/security/2018/dsa-4082
- lists.debian.org[debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- usn.ubuntu.comUSN-3583-2https://usn.ubuntu.com/3583-2/
- lists.opensuse.orgSUSE-SU-2018:0011http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- usn.ubuntu.comUSN-3582-1https://usn.ubuntu.com/3582-1/
- access.redhat.comRHSA-2018:1062https://access.redhat.com/errata/RHSA-2018:1062
- access.redhat.comRHSA-2018:1319https://access.redhat.com/errata/RHSA-2018:1319
- help.ecostruxureit.comhttps://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- usn.ubuntu.comUSN-3583-1https://usn.ubuntu.com/3583-1/
- access.redhat.comRHSA-2018:0676https://access.redhat.com/errata/RHSA-2018:0676
- access.redhat.comRHSA-2018:1216https://access.redhat.com/errata/RHSA-2018:1216
- www.exploit-db.com43234https://www.exploit-db.com/exploits/43234/
- www.securityfocus.com102056http://www.securityfocus.com/bid/102056
- usn.ubuntu.comUSN-3581-1https://usn.ubuntu.com/3581-1/
- usn.ubuntu.comUSN-3581-3https://usn.ubuntu.com/3581-3/
- access.redhat.comRHSA-2018:1170https://access.redhat.com/errata/RHSA-2018:1170
- usn.ubuntu.comUSN-3581-2https://usn.ubuntu.com/3581-2/
- access.redhat.comRHSA-2018:1130https://access.redhat.com/errata/RHSA-2018:1130
- access.redhat.comRHSA-2018:0399https://access.redhat.com/errata/RHSA-2018:0399
- www.debian.orgDSA-4073https://www.debian.org/security/2017/dsa-4073
- access.redhat.comRHSA-2018:3822https://access.redhat.com/errata/RHSA-2018:3822
- lists.openwall.nethttp://lists.openwall.net/netdev/2017/12/04/224
- usn.ubuntu.comUSN-3582-2https://usn.ubuntu.com/3582-2/
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2017/12/05/1
07 Fixed in
Arch Linux
- linux Fixed in 4.14.11-1
- linux-hardened Fixed in 4.14.11.a-1
- linux-lts Fixed in 4.9.82-1
- linux-zen Fixed in 4.14.11-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- linux Fixed in 4.14.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.14.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.14.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-142.191
- linux-aws Fixed in 4.4.0-1014.14
- linux-lts-xenial Fixed in 4.4.0-116.140~14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux Fixed in 4.4.0-116.140
- linux-aws Fixed in 4.4.0-1052.61
- linux-azure Fixed in 4.13.0-1011.14
- linux-gcp Fixed in 4.13.0-1011.15
- linux-hwe Fixed in 4.13.0-41.46~16.04.1
- linux-kvm Fixed in 4.4.0-1019.24
- linux-oem Fixed in 4.13.0-1021.23
- linux-raspi2 Fixed in 4.4.0-1085.93
- linux-snapdragon Fixed in 4.4.0-1087.92
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- linux-azure-fde No fix yet
- linux-gke No fix yet
- linux-raspi2 No fix yet
- linux-riscv No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- linux-intel-iot-realtime No fix yet
- linux-realtime No fix yet
- linux-riscv No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- linux-raspi-realtime No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 16.04 LTS
- linux-fips Fixed in 4.4.0-1005.5Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.