CVE-2019-18806

Current Description

A memory leak in the ql_alloc_large_buffers() function in drivers/net/ethernet/qlogic/qla3xxx.c in the Linux kernel before 5.3.5 allows local users to cause a denial of service (memory consumption) by triggering pci_dma_mapping_error() failures, aka CID-1acb8f2a7a9f.

Basic Data

Published	November 07, 2019
Last Modified	November 08, 2019
Assigner	cve@mitre.org
Data Type	CVE
Data Format	MITRE
Data Version	4.0
Problem Type	CWE-400
CVE Data Version	4.0

Base Metric V2

CVSS 2 - Version	2.0
CVSS 2 - Vector String	AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 2 - Access Vector	LOCAL
CVSS 2 - Access Complexity	LOW
CVSS 2 - Authentication	NONE
CVSS 2 - Confidentiality Impact	NONE
CVSS 2 - Availability Impact	PARTIAL
CVSS 2 - Base Score	2.1
Severity	LOW
Exploitability Score	3.9
Impact Score	2.9
Obtain All Privilege	false
Obtain User Privilege	false
Obtain Other Privilege	false

Base Metric V3

No data provided.

Configurations

OR - Configuration 1

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	OS	Linux	Linux Kernel	*	*	*	*	*	*	*	*				5.3.5

Vulnerable Software List

Vendor	Product	Versions
Linux	Linux Kernel	*

References

Name	Source	URL	Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5	MISC	Mailing List Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1acb8f2a7a9f10543868ddd737e37424d5c36cf4	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1acb8f2a7a9f10543868ddd73	MISC	Mailing List Patch Third Party Advisory