CVE-2018-14734 Detail

Current 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).


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595c1393b4a5211534e6f0a0fbad369e21ad8 Patch  Vendor Advisory 
https://access.redhat.com/errata/RHSA-2019:0831
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21ad8 Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html Mailing List  Third Party Advisory 
https://usn.ubuntu.com/3797-1/ Third Party Advisory 
https://usn.ubuntu.com/3797-2/ Third Party Advisory 
https://usn.ubuntu.com/3847-1/ Third Party Advisory 
https://usn.ubuntu.com/3847-2/ Third Party Advisory 
https://usn.ubuntu.com/3847-3/ Third Party Advisory 
https://usn.ubuntu.com/3849-1/ Third Party Advisory 
https://usn.ubuntu.com/3849-2/ Third Party Advisory 
https://www.debian.org/security/2018/dsa-4308 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14734
NVD Published Date:
07/29/2018
NVD Last Modified:
04/23/2019
Source:
MITRE