RHEL 8 : kpatch-patch (RHSA-2022:1418)

high Nessus Plugin ID 159913

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1418 advisory.

- kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)

- kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)

- kernel: heap out of bounds write in nf_dup_netdev.c (CVE-2022-25636)

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

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2021-4083

https://access.redhat.com/security/cve/CVE-2022-0492

https://access.redhat.com/security/cve/CVE-2022-25636

https://access.redhat.com/errata/RHSA-2022:1418

https://bugzilla.redhat.com/2029923

https://bugzilla.redhat.com/2051505

https://bugzilla.redhat.com/2056830

Plugin Details

Severity: High

ID: 159913

File Name: redhat-RHSA-2022-1418.nasl

Version: 1.11

Type: local

Agent: unix

Published: 4/20/2022

Updated: 12/7/2023

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 6

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

CVSS Score Source: CVE-2022-25636

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_10_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_12_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_17_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_19_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_25_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_28_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_30_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_34_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_3_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_40_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_40_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_7_1

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/19/2022

Vulnerability Publication Date: 1/18/2022

Exploitable With

Core Impact

Metasploit (Docker cgroups Container Escape)

Reference Information

CVE: CVE-2021-4083, CVE-2022-0492, CVE-2022-25636

CWE: 287, 416, 787

RHSA: 2022:1418