Amazon Linux 2 : kernel (ALASKERNEL-5.15-2025-063)

high Nessus Plugin ID 216819

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 5.15.178-120.178. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2025-063 advisory.

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

Bluetooth: RFCOMM: Fix not validating setsockopt user input (CVE-2024-35966)

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:

ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev() (CVE-2024-47707)

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

ext4: fix timer use-after-free on failed mount (CVE-2024-49960)

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

ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find() (CVE-2024-50304)

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

scsi: sg: Fix slab-use-after-free read in sg_release() (CVE-2024-56631)

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

blk-cgroup: Fix UAF in blkcg_unpin_online() (CVE-2024-56672)

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

block, bfq: fix waker_bfqq UAF after bfq_split_bfqq() (CVE-2025-21631)

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

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

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' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2025-063.html

https://alas.aws.amazon.com/cve/html/CVE-2024-35966.html

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

https://alas.aws.amazon.com/cve/html/CVE-2024-47707.html

https://alas.aws.amazon.com/cve/html/CVE-2024-49960.html

https://alas.aws.amazon.com/cve/html/CVE-2024-50304.html

https://alas.aws.amazon.com/cve/html/CVE-2024-56631.html

https://alas.aws.amazon.com/cve/html/CVE-2024-56672.html

https://alas.aws.amazon.com/cve/html/CVE-2025-21631.html

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

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

Plugin Details

Severity: High

ID: 216819

File Name: al2_ALASKERNEL-5_15-2025-063.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/26/2025

Updated: 2/26/2025

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-2025-21631

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:perf, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:python-perf-debuginfo, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-livepatch-5.15.178-120.178, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:python-perf

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/12/2025

Vulnerability Publication Date: 5/20/2024

Reference Information

CVE: CVE-2024-35966, CVE-2024-36899, CVE-2024-47707, CVE-2024-49960, CVE-2024-50304, CVE-2024-56631, CVE-2024-56672, CVE-2025-21631, CVE-2025-21653