RHEL 8 : kpatch-patch (RHSA-2021:0689)

high Nessus Plugin ID 147010
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VPR Score: 6.7

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-2021:0689 advisory.

- kernel: bad kfree in auditfilter.c may lead to escalation of privilege (CVE-2020-0444)

- 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/99.html

https://cwe.mitre.org/data/definitions/244.html

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

https://cwe.mitre.org/data/definitions/667.html

https://access.redhat.com/security/cve/CVE-2020-0444

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

https://access.redhat.com/errata/RHSA-2021:0689

https://bugzilla.redhat.com/1906525

https://bugzilla.redhat.com/1920474

Plugin Details

Severity: High

ID: 147010

File Name: redhat-RHSA-2021-0689.nasl

Version: 1.4

Type: local

Agent: unix

Published: 3/3/2021

Updated: 3/24/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-29661

CVSS v2.0

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 v3.0

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_13_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_20_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_24_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_27_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_32_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_34_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_38_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_8_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: 3/3/2021

Vulnerability Publication Date: 12/9/2020

Reference Information

CVE: CVE-2020-0444, CVE-2020-29661

RHSA: 2021:0689

CWE: 99, 244, 416, 667