RHEL 7 : kernel-rt (RHSA-2022:7338)

high Nessus Plugin ID 166878

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-2022:7338 advisory.

- hw: cpu: AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825)

- kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)

- hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

- hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29900)

- hw: cpu: Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)

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-2022-2588

https://access.redhat.com/security/cve/CVE-2022-23825

https://access.redhat.com/security/cve/CVE-2022-26373

https://access.redhat.com/security/cve/CVE-2022-29900

https://access.redhat.com/security/cve/CVE-2022-29901

https://access.redhat.com/errata/RHSA-2022:7338

https://bugzilla.redhat.com/2090226

https://bugzilla.redhat.com/2103148

https://bugzilla.redhat.com/2103153

https://bugzilla.redhat.com/2114849

https://bugzilla.redhat.com/2115065

Plugin Details

Severity: High

ID: 166878

File Name: redhat-RHSA-2022-7338.nasl

Version: 1.8

Type: local

Agent: unix

Published: 11/3/2022

Updated: 1/16/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.8

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

CVSS Score Source: CVE-2022-29900

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

CVSS Score Source: CVE-2022-2588

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-doc, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm

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: 11/2/2022

Vulnerability Publication Date: 7/12/2022

Exploitable With

Core Impact

Reference Information

CVE: CVE-2022-23825, CVE-2022-2588, CVE-2022-26373, CVE-2022-29900, CVE-2022-29901

CWE: 200, 416

RHSA: 2022:7338