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Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1894)

medium Nessus Plugin ID 322107

Synopsis

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

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1894 advisory.

 In the Linux kernel, the following vulnerability has been resolved:

 xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663)

 In the Linux kernel, the following vulnerability has been resolved:

 rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692)

 In the Linux kernel, the following vulnerability has been resolved:

 net: ioam6: fix OOB and missing lock (CVE-2026-43083)

 In the Linux kernel, the following vulnerability has been resolved:

 netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)

 In the Linux kernel, the following vulnerability has been resolved:

 KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry (CVE-2026-46316)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

Solution

Run 'dnf update kernel6.12 --releasever 2023.12.20260622' or or 'dnf update --advisory ALAS2023-2026-1894 --releasever 2023.12.20260622' to update your system.

See Also

https://alas.aws.amazon.com//AL2023/ALAS2023-2026-1894.html

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

https://explore.alas.aws.amazon.com/CVE-2026-31663.html

https://explore.alas.aws.amazon.com/CVE-2026-31692.html

https://explore.alas.aws.amazon.com/CVE-2026-43083.html

https://explore.alas.aws.amazon.com/CVE-2026-43116.html

https://explore.alas.aws.amazon.com/CVE-2026-46316.html

Plugin Details

Severity: Medium

ID: 322107

File Name: al2023_ALAS2023-2026-1894.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/22/2026

Updated: 6/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-31692

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:python3-perf6.12, p-cpe:/a:amazon:linux:kernel6.12, p-cpe:/a:amazon:linux:kernel6.12-tools-devel, p-cpe:/a:amazon:linux:kernel6.12-headers, p-cpe:/a:amazon:linux:kernel6.12-modules-extra, p-cpe:/a:amazon:linux:kernel-livepatch-6.12.92-122.166, p-cpe:/a:amazon:linux:kernel6.12-debuginfo, p-cpe:/a:amazon:linux:bpftool6.12-debuginfo, p-cpe:/a:amazon:linux:bpftool6.12, p-cpe:/a:amazon:linux:kernel6.12-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:perf6.12, p-cpe:/a:amazon:linux:perf6.12-debuginfo, p-cpe:/a:amazon:linux:kernel6.12-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel6.12-modules-extra-common, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:kernel6.12-devel, p-cpe:/a:amazon:linux:kernel6.12-tools-debuginfo, p-cpe:/a:amazon:linux:python3-perf6.12-debuginfo, p-cpe:/a:amazon:linux:kernel6.12-tools

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/22/2026

Vulnerability Publication Date: 4/24/2026

Reference Information

CVE: CVE-2026-31663, CVE-2026-31692, CVE-2026-43083, CVE-2026-43116, CVE-2026-46316