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Amazon Linux 2 : kernel, --advisory ALAS2-2025-2968 (ALAS-2025-2968)

high Nessus Plugin ID 252291

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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 4.14.355-280.672. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2968 advisory.

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

 dma-buf/dma-resv: check if the new fence is really later (CVE-2022-49935)

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

 ftrace: Add cond_resched() to ftrace_graph_set_hash() (CVE-2025-37940)

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

 net: pktgen: fix access outside of user given buffer in pktgen_thread_write() (CVE-2025-38061)

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

 net: ch9200: fix uninitialised access during mii_nway_restart (CVE-2025-38086)

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

 RDMA/mlx5: Fix error flow upon firmware failure for RQ destruction (CVE-2025-38161)

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 ALAS2-2025-2968' to update your system.

See Also

https://alas.aws.amazon.com//AL2/ALAS2-2025-2968.html

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

https://explore.alas.aws.amazon.com/CVE-2022-49935.html

https://explore.alas.aws.amazon.com/CVE-2025-37940.html

https://explore.alas.aws.amazon.com/CVE-2025-38061.html

https://explore.alas.aws.amazon.com/CVE-2025-38086.html

https://explore.alas.aws.amazon.com/CVE-2025-38161.html

Plugin Details

Severity: High

ID: 252291

File Name: al2_ALAS-2025-2968.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/19/2025

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: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2025-38061

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-2025-38086

Vulnerability Information

CPE: cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:python-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:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:python-perf-debuginfo, p-cpe:/a:amazon:linux:kernel-livepatch-4.14.355-280.672, 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-tools, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/12/2025

Vulnerability Publication Date: 5/20/2025

Reference Information

CVE: CVE-2022-49935, CVE-2025-37940, CVE-2025-38061, CVE-2025-38086, CVE-2025-38161