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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4729)

medium Nessus Plugin ID 127613

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Synopsis

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

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4729 advisory.

 - USB: check usb_get_extra_descriptor for proper size (Mathias Payer) [Orabug: 29755247] {CVE-2018-20169}
 - ext4: zero out the unused memory region in the extent tree block (Sriram Rajagopalan) [Orabug:
 29925523] {CVE-2019-11833} {CVE-2019-11833}
 - ip_sockglue: Fix missing-check bug in ip_ra_control() (Gen Zhang) [Orabug: 29926005] {CVE-2019-12381}
 - ipv6_sockglue: Fix a missing-check bug in ip6_ra_control() (Gen Zhang) [Orabug: 29926057] {CVE-2019-12378}

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-2019-4729.html

Plugin Details

Severity: Medium

ID: 127613

File Name: oraclelinux_ELSA-2019-4729.nasl

Version: 1.6

Type: local

Agent: unix

Published: 8/12/2019

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2018-20169

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:P/AC:L/PR:N/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-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, cpe:/o:oracle:linux:6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2019

Vulnerability Publication Date: 12/17/2018

Reference Information

CVE: CVE-2018-20169, CVE-2019-11833, CVE-2019-12378, CVE-2019-12381