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CVE-2023-3772

Public on 2023-07-25
Modified on 2024-01-11
Description

A flaw was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.

Severity
Medium
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2023-09-27 22:15 ALAS-2023-1838
Amazon Linux 2 - Core kernel 2023-09-27 22:48 ALAS2-2023-2264
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-08-31 22:46 ALAS2KERNEL-5.15-2023-026
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-09-27 22:59 ALAS2KERNEL-5.4-2023-053
Amazon Linux 2023 kernel 2023-08-31 21:45 ALAS2023-2023-330

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H