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Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2023-12782)

medium Nessus Plugin ID 181252

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-12782 advisory.

 - x86/pkeys: Revert a5eff7259790 ('x86/pkeys: Add PKRU value to init_fpstate') (Thomas Gleixner) [Orabug:
 35714800] {CVE-2022-40982}
 - Documentation/x86: Fix backwards on/off logic about YMM support (Dave Hansen) [Orabug: 35714800] {CVE-2022-40982}
 - x86/xen: Fix secondary processors' FPU initialization (Juergen Gross) [Orabug: 35714800] {CVE-2022-40982}
 - KVM: Add GDS_NO support to KVM (Daniel Sneddon) [Orabug: 35714800] {CVE-2022-40982}
 - x86/speculation: Add Kconfig option for GDS (Daniel Sneddon) [Orabug: 35714800] {CVE-2022-40982}
 - x86/speculation: Add force option to GDS mitigation (Daniel Sneddon) [Orabug: 35714800] {CVE-2022-40982}
 - x86/speculation: Add Gather Data Sampling mitigation (Daniel Sneddon) [Orabug: 35714800] {CVE-2022-40982}
 - x86/fpu: Move FPU initialization into arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - x86/fpu: Mark init functions __init (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - x86/fpu: Remove cpuinfo argument from init functions (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - init, x86: Move mem_encrypt_init() into arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - init: Invoke arch_cpu_finalize_init() earlier (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - init: Remove check_bugs() leftovers (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - um/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - sparc/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - sh/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - mips/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - m68k/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - ia64/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - ARM: cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - x86/cpu: Switch to arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}
 - init: Provide arch_cpu_finalize_init() (Thomas Gleixner) [Orabug: 35714800] {CVE-2022-40982}

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

Note that Nessus has not tested for this issue 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-2023-12782.html

Plugin Details

Severity: Medium

ID: 181252

File Name: oraclelinux_ELSA-2023-12782.nasl

Version: 1.2

Type: local

Agent: unix

Published: 9/11/2023

Updated: 10/23/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2022-40982

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:8::baseos_latest, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:python-perf, cpe:/a:oracle:linux:8::uekr6, cpe:/o:oracle:linux:8:8:baseos_patch, cpe:/a:oracle:linux:7::uekr6, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek-tools-libs, p-cpe:/a:oracle:linux:kernel-uek

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: 9/11/2023

Vulnerability Publication Date: 8/3/2023

Reference Information

CVE: CVE-2022-40982