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Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-823)

high Nessus Plugin ID 215034

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Synopsis

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

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-823 advisory.

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

 gpiolib: cdev: Fix use after free in lineinfo_changed_notify (CVE-2024-36899)

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

 bpf: Fix overloading of MEM_UNINIT's meaning (CVE-2024-50164)

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

 fs/ntfs3: Add rough attr alloc_size check (CVE-2024-50246)

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

 net_sched: cls_flow: validate TCA_FLOW_RSHIFT attribute (CVE-2025-21653)

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

 io_uring/eventfd: ensure io_eventfd_signal() defers another RCU period (CVE-2025-21655)

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 kernel --releasever 2023.6.20250203' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2025-823.html

https://alas.aws.amazon.com/cve/html/CVE-2024-36899.html

https://alas.aws.amazon.com/cve/html/CVE-2024-50164.html

https://alas.aws.amazon.com/cve/html/CVE-2024-50246.html

https://alas.aws.amazon.com/cve/html/CVE-2025-21653.html

https://alas.aws.amazon.com/cve/html/CVE-2025-21655.html

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

Plugin Details

Severity: High

ID: 215034

File Name: al2023_ALAS2023-2025-823.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/5/2025

Updated: 2/5/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2024-50246

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:kernel-modules-extra-common, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-modules-extra, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-livepatch-6.1.127-135.201, p-cpe:/a:amazon:linux:python3-perf, p-cpe:/a:amazon:linux:kernel-libbpf-static, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-libbpf, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-libbpf-devel, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-tools-devel, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:python3-perf-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/30/2025

Vulnerability Publication Date: 5/30/2024

Reference Information

CVE: CVE-2024-36899, CVE-2024-50164, CVE-2024-50246, CVE-2025-21653, CVE-2025-21655