National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

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).

Source:  MITRE
Description Last Modified:  07/29/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:C) (V2 legend)
Impact Subscore: 8.5
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

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://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

Technical Details

Vulnerability Type (View All)

Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14734
NVD Published Date:
07/29/2018
NVD Last Modified:
03/21/2019