Amazon Linux 2 : kernel, --advisory ALAS2-2025-2955 (ALAS-2025-2955)

high Nessus Plugin ID 243420

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of kernel installed on the remote host is prior to 4.14.355-280.664. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2955 advisory.

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

net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (CVE-2022-50073)

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

SUNRPC: Fix a server shutdown leak (CVE-2023-53131)

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

codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() (CVE-2025-37798)

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

sch_htb: make htb_qlen_notify() idempotent (CVE-2025-37932)

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

__legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock (CVE-2025-38058)

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

virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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

sch_hfsc: make hfsc_qlen_notify() idempotent (CVE-2025-38177)

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

mpls: Use rcu_dereference_rtnl() in mpls_route_input_rcu(). (CVE-2025-38324)

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 'yum update kernel' or or 'yum update --advisory ALAS2-2025-2955' to update your system.

Plugin Details

Severity: High

ID: 243420

File Name: al2_ALAS-2025-2955.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 8/4/2025

Updated: 8/27/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

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-2025-37798

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

CVSS Score Source: CVE-2025-38177

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:python-perf, p-cpe:/a:amazon:linux:perf, cpe:/o:amazon:linux:2, 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:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:python-perf-debuginfo, p-cpe:/a:amazon:linux:kernel-livepatch-4.14.355-280.664, 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-debuginfo, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-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: 8/4/2025

Vulnerability Publication Date: 5/2/2025

Reference Information

CVE: CVE-2022-50073, CVE-2023-53131, CVE-2025-37798, CVE-2025-37932, CVE-2025-38058, CVE-2025-38064, CVE-2025-38177, CVE-2025-38324

Detections

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