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CVE-2022-27666

Public on 2022-03-23
Modified on 2022-05-12
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.

Severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2022-04-18 19:46 ALAS-2022-1581
Amazon Linux 2 - Core kernel 2022-04-18 19:47 ALAS2-2022-1774
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-04-05 20:16 ALAS2KERNEL-5.10-2022-012
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-04-18 19:49 ALAS2KERNEL-5.4-2022-025

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P