CVE-2022-27666

CVE Details

Release Date:	2022-03-23
Impact:	None	What is this?

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

See more information about CVE-2022-27666 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:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
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 7 (kernel-uek)	ELSA-2022-9365	2022-05-10
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9367	2022-05-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2022-9366	2022-05-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2022-9368	2022-05-10
Oracle Linux version 8 (kernel)	ELSA-2022-5316	2022-07-02
Oracle Linux version 8 (kernel-uek)	ELSA-2022-9365	2022-05-10
Oracle Linux version 8 (kernel-uek-container)	ELSA-2022-9368	2022-05-10
Oracle Linux version 9 (kernel)	ELSA-2022-5249	2022-06-30