Detections
Analytics

Oracle Linux 8 : kernel (ELSA-2022-5819)

high Nessus Plugin ID 163929

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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-2022-5819 advisory.

 - debug: lockdown kgdb [Orabug: 34270802] {CVE-2022-21499}
 - tcp: drop the hash_32() part from the index calculation (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: increase source port perturb table to 2^16 (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: dynamically allocate the perturb table used by source ports (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: add small random increments to the source port (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: resalt the secret every 10 seconds (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: use different parts of the port_offset for index and offset (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - secure_seq: use the 64 bits of the siphash for port offset calculation (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: add some entropy in __inet_hash_connect() (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - tcp: change source port randomizarion at connect() time (Guillaume Nault) [2087130 2064876] {CVE-2022-1012}
 - netfilter: nf_tables: disallow non-stateful expression in sets earlier (Phil Sutter) [2092986 2092987] {CVE-2022-32250}

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-2022-5819.html

Plugin Details

Severity: High

ID: 163929

File Name: oraclelinux_ELSA-2022-5819.nasl

Version: 1.9

Type: local

Agent: unix

Published: 8/9/2022

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2022-32250

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.8

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

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

CVSS Score Source: CVE-2022-1012

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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/8/2022

Vulnerability Publication Date: 6/2/2022

Reference Information

CVE: CVE-2022-1012, CVE-2022-32250