CVE-2018-14734
drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to
02 Description
drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to
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
- 0.56% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 46.7% 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:3.0/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
- Moderate. 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
- 2018-07-29 16:00Z8 YR AGO
- Last updated
- 2024-08-05 09:38Z2 YR AGO
- Reserved
- 2018-07-29
- Assigning CNA
- mitre
- 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
- 0f1272661d0323a02707dbd6090c90757a8eaf8235dded5f7025a7424d4e28fa
05 Affected products
06 References
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595c1393b4a5211534e6f0a0fbad369e21ad8
- usn.ubuntu.comUSN-3797-2https://usn.ubuntu.com/3797-2/
- usn.ubuntu.comUSN-3847-1https://usn.ubuntu.com/3847-1/
- usn.ubuntu.comUSN-3797-1https://usn.ubuntu.com/3797-1/
- lists.debian.org[debian-lts-announce] 20181003 [SECURITY] [DLA 1531-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- usn.ubuntu.comUSN-3847-2https://usn.ubuntu.com/3847-2/
- usn.ubuntu.comUSN-3849-1https://usn.ubuntu.com/3849-1/
- usn.ubuntu.comUSN-3849-2https://usn.ubuntu.com/3849-2/
- www.debian.orgDSA-4308https://www.debian.org/security/2018/dsa-4308
- github.comhttps://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21ad8
- usn.ubuntu.comUSN-3847-3https://usn.ubuntu.com/3847-3/
- access.redhat.comRHSA-2019:0831https://access.redhat.com/errata/RHSA-2019:0831
- access.redhat.comRHSA-2019:2043https://access.redhat.com/errata/RHSA-2019:2043
- access.redhat.comRHSA-2019:2029https://access.redhat.com/errata/RHSA-2019:2029
07 Fixed in
Debian 12
- linux Fixed in 4.17.14-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.17.14-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.17.14-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-164.214
- linux-aws Fixed in 4.4.0-1032.35
- linux-azure Fixed in 4.15.0-1036.38~14.04.2
- linux-lts-xenial Fixed in 4.4.0-138.164~14.04.1
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 4.4.0-138.164
- linux-aws Fixed in 4.4.0-1070.80
- linux-azure Fixed in 4.15.0-1036.38~16.04.1
- linux-gcp Fixed in 4.15.0-1026.27~16.04.1
- linux-hwe Fixed in 4.15.0-43.46~16.04.1
- linux-kvm Fixed in 4.4.0-1036.42
- linux-raspi2 Fixed in 4.4.0-1099.107
- linux-snapdragon Fixed in 4.4.0-1103.108
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux Fixed in 4.15.0-43.46
- linux-aws Fixed in 4.15.0-1031.33
- linux-azure Fixed in 4.15.0-1036.38
- linux-gcp Fixed in 4.15.0-1026.27
- linux-kvm Fixed in 4.15.0-1028.28
- linux-oem Fixed in 4.15.0-1030.35
- linux-raspi2 Fixed in 4.15.0-1030.32
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 4.4.0-1008.10Available 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.