CVE-2019-20812

CVE Details

Release Date:

2020-06-03

Description

An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.

See more information about CVE-2019-20812 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	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 6 (dtrace-modules-3.8.13-118.49.1.el6uek)	ELSA-2020-5841	2020-09-10
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5841	2020-09-10
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5866	2020-10-06
Oracle Linux version 7 (dtrace-modules-3.8.13-118.49.1.el7uek)	ELSA-2020-5841	2020-09-10
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5841	2020-09-10
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5845	2020-09-11
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5866	2020-10-06
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0044	2020-10-09

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team