CVE-2020-10769

CVE Details

Release Date:	2020-06-26
Impact:	None	What is this?

Description

A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.

See more information about CVE-2020-10769 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 6 (dtrace-modules-3.8.13-118.52.1.el6uek)	ELSA-2020-5968	2020-12-07
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5866	2020-10-06
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5968	2020-12-07
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5983	2020-12-09
Oracle Linux version 7 (dtrace-modules-3.8.13-118.52.1.el7uek)	ELSA-2020-5968	2020-12-07
Oracle Linux version 7 (kernel)	ELSA-2020-5437	2020-12-16
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 Linux version 7 (kernel-uek)	ELSA-2020-5968	2020-12-07
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0044	2020-10-09