CVE-2021-22555

CVE Details

Release Date:

2021-07-07

Description

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

See more information about CVE-2021-22555 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:	7.8	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2021-9395	2021-08-04
Oracle Linux version 7 (kernel)	ELSA-2021-3327	2021-08-31
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9395	2021-08-04
Oracle Linux version 8 (kernel)	ELSA-2021-3057	2021-08-11
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0025	2021-08-04

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