CentOS 7 : kernel (CESA-2021:3438)

high Nessus Plugin ID 153767

Synopsis

The remote CentOS Linux host is missing a security update.

Description

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:3438 advisory.

- kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)

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

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?74230ed2

https://cwe.mitre.org/data/definitions/416.html

https://access.redhat.com/security/cve/cve-2021-3715

Plugin Details

Severity: High

ID: 153767

File Name: centos_RHSA-2021-3438.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/27/2021

Updated: 3/11/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-3715

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:centos:centos:bpftool, p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-abi-whitelists, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:kernel-tools, p-cpe:/a:centos:centos:kernel-tools-libs, p-cpe:/a:centos:centos:kernel-tools-libs-devel, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python-perf, cpe:/o:centos:centos:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/27/2021

Vulnerability Publication Date: 9/8/2021

Reference Information

CVE: CVE-2021-3715

CWE: 416

RHSA: 2021:3438