RHEL 8 : kpatch-patch (RHSA-2023:1659)

high Nessus Plugin ID 173925

Synopsis

The remote Red Hat host is missing one or more security updates for kpatch-patch.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1659 advisory.

- kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)

- ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)

- kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)

- kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222 (CVE-2023-1476)

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 RHEL kpatch-patch package based on the guidance in RHSA-2023:1659.

See Also

http://www.nessus.org/u?2b130042

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2023:1659

https://bugzilla.redhat.com/show_bug.cgi?id=2152548

https://bugzilla.redhat.com/show_bug.cgi?id=2159505

https://bugzilla.redhat.com/show_bug.cgi?id=2163379

https://bugzilla.redhat.com/show_bug.cgi?id=2176035

Plugin Details

Severity: High

ID: 173925

File Name: redhat-RHSA-2023-1659.nasl

Version: 1.6

Type: local

Agent: unix

Published: 4/5/2023

Updated: 9/27/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2023-0386

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: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-425_10_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-425_3_1, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-425_13_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: 4/5/2023

Vulnerability Publication Date: 1/5/2023

CISA Known Exploited Vulnerability Due Dates: 4/20/2023

Exploitable With

Core Impact

Metasploit (Local Privilege Escalation via CVE-2023-0386)

Reference Information

CVE: CVE-2022-4378, CVE-2023-0266, CVE-2023-0386, CVE-2023-1476

CWE: 282, 416, 787

RHSA: 2023:1659