Amazon Linux 2 : kernel (ALAS-2025-2745)

high Nessus Plugin ID 214976

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 4.14.355-275.582. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2745 advisory.

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

net/ipv6: avoid possible UAF in ip6_route_mpath_notify() (CVE-2024-26852)

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

ext4: avoid OOB when system.data xattr changes underneath the filesystem (CVE-2024-47701)

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

firmware_loader: Block path traversal (CVE-2024-47742)

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

ext4: fix slab-use-after-free in ext4_split_extent_at() (CVE-2024-49884)

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

net/xen-netback: prevent UAF in xenvif_flush_hash() (CVE-2024-49936)

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

uprobe: avoid out-of-bounds memory access of fetching args (CVE-2024-50067)

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

nilfs2: fix kernel bug due to missing clearing of checked flag (CVE-2024-50230)

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/ALAS-2025-2745.html

https://alas.aws.amazon.com/cve/html/CVE-2024-26852.html

https://alas.aws.amazon.com/cve/html/CVE-2024-47701.html

https://alas.aws.amazon.com/cve/html/CVE-2024-47742.html

https://alas.aws.amazon.com/cve/html/CVE-2024-49884.html

https://alas.aws.amazon.com/cve/html/CVE-2024-49936.html

https://alas.aws.amazon.com/cve/html/CVE-2024-50067.html

https://alas.aws.amazon.com/cve/html/CVE-2024-50230.html

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

Plugin Details

Severity: High

ID: 214976

File Name: al2_ALAS-2025-2745.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/4/2025

Updated: 2/4/2025

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: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2024-50230

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: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, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:kernel-livepatch-4.14.355-275.582, 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: 1/30/2025

Vulnerability Publication Date: 4/11/2024

Reference Information

CVE: CVE-2024-26852, CVE-2024-47701, CVE-2024-47742, CVE-2024-49884, CVE-2024-49936, CVE-2024-50067, CVE-2024-50230