Amazon Linux AMI : kernel (ALAS-2025-1970)

high Nessus Plugin ID 234707

Synopsis

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

Description

The version of kernel installed on the remote host is prior to 4.14.355-196.618. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2025-1970 advisory.

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

block, bfq: don't move oom_bfqq (CVE-2022-49179)

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

macsec: fix UAF bug for real_dev (CVE-2022-49390)

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

block: Fix handling of offline queues in blk_mq_alloc_request_hctx() (CVE-2022-49720)

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

ext4: aovid use-after-free in ext4_ext_insert_extent() (CVE-2024-49883)

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

slip: make slhc_remember() more robust against malicious packets (CVE-2024-50033)

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

net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT (CVE-2024-53057)

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

hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer (CVE-2024-53103)

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

netfilter: x_tables: fix LED ID check in led_tg_check() (CVE-2024-56650)

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

net: defer final 'struct net' free in netns dismantle (CVE-2024-56658)

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

pps: Fix a use-after-free (CVE-2024-57979)

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

nbd: don't allow reconnect after disconnect (CVE-2025-21731)

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

btrfs: fix use-after-free when attempting to join an aborted transaction (CVE-2025-21753)

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

ndisc: extend RCU protection in ndisc_send_skb() (CVE-2025-21760)

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

arp: use RCU protection in arp_xmit() (CVE-2025-21762)

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

ndisc: use RCU protection in ndisc_alloc_skb() (CVE-2025-21764)

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.

Plugin Details

Severity: High

ID: 234707

File Name: ala_ALAS-2025-1970.nasl

Version: 1.1

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 4/22/2025

Updated: 4/22/2025

Supported Sensors: Nessus Agent, Continuous Assessment, 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-2024-56658

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: cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-i686

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/9/2025

Vulnerability Publication Date: 10/21/2024

Reference Information

CVE: CVE-2022-49179, CVE-2022-49390, CVE-2022-49720, CVE-2024-49883, CVE-2024-50033, CVE-2024-53057, CVE-2024-53103, CVE-2024-56650, CVE-2024-56658, CVE-2024-57979, CVE-2025-21731, CVE-2025-21753, CVE-2025-21760, CVE-2025-21762, CVE-2025-21764

Detections

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