Detections
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Oracle Linux 7 : kernel (ELSA-2023-7423)

critical Nessus Plugin ID 186184

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Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7423 advisory.

 - debug: lock down kgdb [Orabug: 34270798] {CVE-2022-21499}
 - net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after-free (Davide Caratti) [2228703] {CVE-2023-4128}
 - net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after-free (Davide Caratti) [2228703] {CVE-2023-4128}
 - net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free (Davide Caratti) [2228703] {CVE-2023-4128}
 - Documentation/x86: Fix backwards on/off logic about YMM support (Waiman Long) [2229893] {CVE-2022-40982}
 - KVM: Add GDS_NO support to KVM (Waiman Long) [2229893] {CVE-2022-40982}
 - x86/speculation: Add Kconfig option for GDS (Waiman Long) [2229893] {CVE-2022-40982}
 - x86/speculation: Add force option to GDS mitigation (Waiman Long) [2229893] {CVE-2022-40982}
 - x86/speculation: Add Gather Data Sampling mitigation (Waiman Long) [2229893] {CVE-2022-40982}
 - net/sched: sch_qfq: account for stab overhead in qfq_enqueue (Davide Caratti) [2225555] {CVE-2023-3611}
 - net/sched: cls_fw: Fix improper refcount update leads to use-after-free (Davide Caratti) [2225639] {CVE-2023-3776}

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-2023-7423.html

Plugin Details

Severity: Critical

ID: 186184

File Name: oraclelinux_ELSA-2023-7423.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/22/2023

Updated: 10/23/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-4208

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2023-3776

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, cpe:/a:oracle:linux:7::latest, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, cpe:/a:oracle:linux:7::optional_latest, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel, cpe:/a:oracle:linux:7:9:patch, p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool

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: 11/22/2023

Vulnerability Publication Date: 7/21/2023

Reference Information

CVE: CVE-2022-40982, CVE-2023-3611, CVE-2023-3776, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208