RHEL 7 : kpatch-patch (RHSA-2021:0862)

high Nessus Plugin ID 147833

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0862 advisory.

- kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)

- kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)

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-2020-28374

https://access.redhat.com/security/cve/CVE-2020-29661

https://access.redhat.com/errata/RHSA-2021:0862

https://bugzilla.redhat.com/1899804

https://bugzilla.redhat.com/1906525

Plugin Details

Severity: High

ID: 147833

File Name: redhat-RHSA-2021-0862.nasl

Version: 1.10

Type: local

Agent: unix

Published: 3/17/2021

Updated: 1/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS Score Source: CVE-2020-29661

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

Temporal Vector: E:P/RL:O/RC:C

CVSS Score Source: CVE-2020-28374

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_11_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_15_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_2_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_2_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_6_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: 3/16/2021

Vulnerability Publication Date: 12/9/2020

Reference Information

CVE: CVE-2020-28374, CVE-2020-29661

RHSA: 2021:0862

CWE: 20, 416, 667