Detections
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Oracle Linux 8 : kernel (ELSA-2022-6460)

medium Nessus Plugin ID 165095

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Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-6460 advisory.

 - Conflict with shim-ia32 and shim-x64 <= 15-11.0.5 debug: lockdown kgdb [Orabug: 34270802] {CVE-2022-21499}
 - x86/speculation/mmio: Print SMT warning (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - KVM: x86/speculation: Disable Fill buffer clear within guests (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation/mmio: Reuse SRBDS mitigation for SBDS (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation/srbds: Update SRBDS mitigation selection (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation/mmio: Enable CPU Fill buffer clearing on idle (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation: Add a common function for MD_CLEAR mitigation update (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - Documentation: Add documentation for Processor MMIO Stale Data (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/tsx: Disable TSX development mode at boot (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/tsx: Clear CPUID bits when TSX always force aborts (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - cpu/speculation: Add prototype for cpu_show_srbds() (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}
 - x86/cpu: Move arch_smt_update() to a neutral place (Waiman Long) [2110388 2090252] {CVE-2022-21123 CVE-2022-21125 CVE-2022-21166}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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://linux.oracle.com/errata/ELSA-2022-6460.html

Plugin Details

Severity: Medium

ID: 165095

File Name: oraclelinux_ELSA-2022-6460.nasl

Version: 1.6

Type: local

Agent: unix

Published: 9/14/2022

Updated: 11/2/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2022-21166

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/14/2022

Vulnerability Publication Date: 6/14/2022

Reference Information

CVE: CVE-2022-21123, CVE-2022-21125, CVE-2022-21166