CVE-2018-14734

high

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 cause a denial of service (use-after-free).

References

Advisories
More

https://www.debian.org/security/2018/dsa-4308

https://usn.ubuntu.com/3849-2/

https://usn.ubuntu.com/3849-1/

https://usn.ubuntu.com/3847-3/

https://usn.ubuntu.com/3847-2/

https://usn.ubuntu.com/3847-1/

https://usn.ubuntu.com/3797-2/

https://usn.ubuntu.com/3797-1/

https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html

https://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21ad8

https://access.redhat.com/errata/RHSA-2019:2043

https://access.redhat.com/errata/RHSA-2019:2029

https://access.redhat.com/errata/RHSA-2019:0831

https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-6620

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595c1393b4a5211534e6f0a0fbad369e21ad8

Details

Source: Mitre, NVD

Published: 2018-07-29

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00566

Detections

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