Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5791)

Medium Nessus Plugin ID 139166

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VPR Score: 5.9

Synopsis

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

Description

Description of changes:

[4.14.35-1902.304.6.3.el7uek]
- Revert 'uek-rpm: Move grub boot menu update to posttrans stage.' (Somasundaram Krishnasamy) [Orabug: 31358100]

[4.14.35-1902.304.6.2.el7uek]
- certs: Remove Oracle cert compiled into the kernel (Eric Snowberg) [Orabug: 31668611]
- efi: Restrict efivar_ssdt_load when the kernel is locked down (Matthew Garrett) [Orabug: 31662729] {CVE-2019-20908}

[4.14.35-1902.304.6.1.el7uek]
- IB/sa: Resolv use-after-free in ib_nl_make_request() (Divya Indi) [Orabug: 31652801]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2020-July/010165.html

Plugin Details

Severity: Medium

ID: 139166

File Name: oraclelinux_ELSA-2020-5791.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/07/30

Updated: 2020/08/03

Dependencies: 12634, 122878

Risk Information

Risk Factor: Medium

VPR Score: 5.9

CVSS v2.0

Base Score: 6.9

Temporal Score: 5.1

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

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

CVSS v3.0

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-tools, cpe:/o:oracle:linux:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/07/29

Vulnerability Publication Date: 2020/07/15

Reference Information

CVE: CVE-2019-20908