Scientific Linux Security Update : kernel on SL7.x x86_64 (2022:7337)

medium Nessus Plugin ID 167258

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Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2022:7337-1 advisory.

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

- RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900) Branch Type Confusion (non-retbleed) (CVE-2022-23825)

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

- 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.

Plugin Details

Severity: Medium

ID: 167258

File Name: sl_20221103_kernel_on_SL7_x.nasl

Version: 1.5

Type: local

Agent: unix

Family: Scientific Linux Local Security Checks

Published: 11/10/2022

Updated: 1/12/2023

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.8

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

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

CVSS Score Source: CVE-2022-23825

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 6.2

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

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

CVSS Score Source: CVE-2022-29901

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:bpftool, p-cpe:/a:fermilab:scientific_linux:bpftool-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel, p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists, p-cpe:/a:fermilab:scientific_linux:kernel-debug, p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64, p-cpe:/a:fermilab:scientific_linux:kernel-devel, p-cpe:/a:fermilab:scientific_linux:kernel-headers, p-cpe:/a:fermilab:scientific_linux:kernel-tools, p-cpe:/a:fermilab:scientific_linux:kernel-tools-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs-devel, p-cpe:/a:fermilab:scientific_linux:perf, p-cpe:/a:fermilab:scientific_linux:perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:python-perf, p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2022

Vulnerability Publication Date: 7/12/2022

Exploitable With

Core Impact

Reference Information

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

RHSA: RHSA-2022:7337

CEA-ID: CEA-2022-0026