CVE Details

Release Date:2022-03-23


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

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

PlatformErrataRelease Date
Oracle Linux version 7 (kernel-uek)ELSA-2022-93652022-05-10
Oracle Linux version 7 (kernel-uek)ELSA-2022-93672022-05-10
Oracle Linux version 7 (kernel-uek-container)ELSA-2022-93662022-05-10
Oracle Linux version 7 (kernel-uek-container)ELSA-2022-93682022-05-10
Oracle Linux version 8 (kernel-uek)ELSA-2022-93652022-05-10
Oracle Linux version 8 (kernel-uek-container)ELSA-2022-93682022-05-10

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