CVE-2018-7757

CVE Details

Release Date:	2018-03-08
Impact:	Low	What is this?

Description

emory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.

See more information about CVE-2018-7757 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-2018-4269	2018-11-08
Oracle Linux version 6 (dtrace-modules-3.8.13-118.26.1.el6uek)	ELSA-2018-4268	2018-11-08
Oracle Linux version 6 (dtrace-modules-3.8.13-118.29.1.el6uek)	ELSA-2019-4316	2019-01-04
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4265	2018-11-06
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4268	2018-11-08
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4269	2018-11-08
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4316	2019-01-04
Oracle Linux version 7 (dtrace-modules-3.8.13-118.26.1.el7uek)	ELSA-2018-4268	2018-11-08
Oracle Linux version 7 (dtrace-modules-3.8.13-118.29.1.el7uek)	ELSA-2019-4316	2019-01-04
Oracle Linux version 7 (kernel)	ELSA-2018-3083	2018-11-05
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4265	2018-11-06
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4268	2018-11-08
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4316	2019-01-04
Oracle VM version 3.4 (kernel-uek)	OVMSA-2018-0273	2018-11-14