Detections
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Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-234)

high Nessus Plugin ID 178007

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-234 advisory.

 - distros-[DirtyVMA] Privilege escalation via non-RCU-protected VMA traversal [fedora-all] (CVE-2023-3269)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'dnf update kernel --releasever 2023.1.20230705' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2023-234.html

https://alas.aws.amazon.com/cve/html/CVE-2023-3269.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 178007

File Name: al2023_ALAS2023-2023-234.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/6/2023

Updated: 10/11/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-3269

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:kernel-libbpf, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:python3-perf, p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:kernel-livepatch-6.1.34-59.116, p-cpe:/a:amazon:linux:python3-perf-debuginfo, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-libbpf-devel, p-cpe:/a:amazon:linux:kernel-libbpf-static, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-tools

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/30/2023

Vulnerability Publication Date: 6/30/2023

Reference Information

CVE: CVE-2023-3269