Oracle Linux 6 : kernel (ELSA-2020-2933)

medium Nessus Plugin ID 138659
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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-2933 advisory.

- The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c. (CVE-2019-18660)

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-2020-2933.html

Plugin Details

Severity: Medium

ID: 138659

File Name: oraclelinux_ELSA-2020-2933.nasl

Version: 1.3

Type: local

Agent: unix

Published: 7/20/2020

Updated: 9/8/2021

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2019-18660

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

Vector: CVSS:3.0/AV:L/AC:H/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: cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-abi-whitelists:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:perf:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:python-perf:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-firmware:*:*:*:*:*:*:*

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/17/2020

Vulnerability Publication Date: 11/27/2019

Reference Information

CVE: CVE-2019-18660

RHSA: 2020:2933