Amazon Linux 2 : libbpf (ALAS-2023-1969)

medium Nessus Plugin ID 172165

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of libbpf installed on the remote host is prior to 0.5.0-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-1969 advisory.

- A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability. (CVE-2022-3606)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update libbpf' to update your system.

Plugin Details

Severity: Medium

ID: 172165

File Name: al2_ALAS-2023-1969.nasl

Version: 1.0

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 3/7/2023

Updated: 3/7/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2022-3606

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libbpf-static, p-cpe:/a:amazon:linux:libbpf, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libbpf-devel, p-cpe:/a:amazon:linux:libbpf-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: 3/2/2023

Vulnerability Publication Date: 10/19/2022

Reference Information

CVE: CVE-2022-3606

Detections

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