Amazon Linux 2 : kernel (ALAS-2022-1768)

high Nessus Plugin ID 159558

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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 4.14.273-207.502. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1768 advisory.

A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem.
This flaw allows a local user to cause an out-of-bounds write issue. (CVE-2022-1015)

A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a use-after-free. This issue needs to handle return with proper preconditions, as it can lead to a kernel information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)

Product: AndroidVersions: Android kernelAndroid ID: A-224546354References: Upstream kernel (CVE-2022-20368)

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

net/packet: fix slab-out-of-bounds access in packet_recvmsg() (CVE-2022-48839)

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

net-sysfs: add check for netdevice being present to speed_show (CVE-2022-48850)

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

sctp: fix kernel-infoleak for SCTP sockets (CVE-2022-48855)

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

netfilter: fix use-after-free in __nf_register_net_hook() (CVE-2022-48912)

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

cifs: fix double free race when mount fails in cifs_get_root() (CVE-2022-48919)

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

netfilter: nf_tables: initialize registers in nft_do_chain() (CVE-2022-49293)

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: 159558

File Name: al2_ALAS-2022-1768.nasl

Version: 1.14

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 4/6/2022

Updated: 5/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2022-1015

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2022-48919

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:python-perf, 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-livepatch-4.14.273-207.502, 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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/4/2022

Vulnerability Publication Date: 4/4/2022

Reference Information

CVE: CVE-2022-1015, CVE-2022-1016, CVE-2022-20368, CVE-2022-48839, CVE-2022-48850, CVE-2022-48855, CVE-2022-48912, CVE-2022-48919, CVE-2022-49293

ALAS: 2022-1768

Detections

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