CVE-2019-18806

CVE Details

Release Date:	2019-11-07
Impact:	None	What is this?

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.

See more information about CVE-2019-18806 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2020-5645	2020-04-10
Oracle Linux version 6 (dtrace-modules-3.8.13-118.44.1.el6uek)	ELSA-2020-5644	2020-04-10
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5642	2020-04-08
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5644	2020-04-10
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5645	2020-04-10
Oracle Linux version 7 (dtrace-modules-3.8.13-118.44.1.el7uek)	ELSA-2020-5644	2020-04-10
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5642	2020-04-08
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5644	2020-04-10
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5649	2020-04-13
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0019	2020-06-02