Detections
Analytics

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2022-9486)

medium Nessus Plugin ID 162178

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Synopsis

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

Description

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9486 advisory.

 - Add debugfs for controlling MMIO state data (Kanth Ghatraju) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - KVM: x86/speculation: Disable Fill buffer clear within guests (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation/mmio: Reuse SRBDS mitigation for SBDS (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation/srbds: Update SRBDS mitigation selection (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data (Pawan Gupta) [Orabug:
 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation/mmio: Enable CPU Fill buffer clearing on idle (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation: Add a common function for MD_CLEAR mitigation update (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166}
 - x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {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 kernel-uek-container and / or kernel-uek-container-debug packages.

See Also

https://linux.oracle.com/errata/ELSA-2022-9486.html

Plugin Details

Severity: Medium

ID: 162178

File Name: oraclelinux_ELSA-2022-9486.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/14/2022

Updated: 10/22/2024

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-uek-container, p-cpe:/a:oracle:linux:kernel-uek-container-debug, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8

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: 6/14/2022

Vulnerability Publication Date: 6/14/2022

Reference Information

CVE: CVE-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21166