Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5663)

high Nessus Plugin ID 136022

Synopsis

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

Description

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5663 advisory.

- slcan: Don't transmit uninitialized stack data in padding (Richard Palethorpe) [Orabug: 31136750] {CVE-2020-11494}
- blktrace: Protect q->blk_trace with RCU (Jan Kara) [Orabug: 31123573] {CVE-2019-19768}
- floppy: check FDC index for errors before assigning it (Linus Torvalds) [Orabug: 31067510] {CVE-2020-9383}
- vhost: Check docket sk_family instead of call getname (Eugenio Perez) [Orabug: 31085989] {CVE-2020-10942}
- ext4: add cond_resched() to ext4_protect_reserved_inode (Shijie Luo) [Orabug: 31067112] {CVE-2020-8992}
- bpf: Undo incorrect __reg_bound_offset32 handling (Daniel Borkmann) [Orabug: 31127385] {CVE-2020-8835}

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-2020-5663.html

Plugin Details

Severity: High

ID: 136022

File Name: oraclelinux_ELSA-2020-5663.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/28/2020

Updated: 10/23/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

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-2020-8835

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: 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-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek-tools-libs, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug

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: 4/27/2020

Vulnerability Publication Date: 12/12/2019

Reference Information

CVE: CVE-2019-19768, CVE-2020-10942, CVE-2020-11494, CVE-2020-8835, CVE-2020-8992, CVE-2020-9383