Detections
Analytics

Oracle Linux 7 : kernel (ELSA-2020-2082)

high Nessus Plugin ID 136645

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Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-2082 advisory.

 - [net] netlabel: cope with NULL catmap (Paolo Abeni) [1827239 1827240] {CVE-2020-10711}
 - [kernel] blktrace: fix dereference after null check (Ming Lei) [1806367 1798318] {CVE-2019-19768}
 - [kernel] blktrace: Protect q->blk_trace with RCU (Ming Lei) [1806367 1798318] {CVE-2019-19768}
 - [kernel] blktrace: fix trace mutex deadlock (Ming Lei) [1806367 1798318] {CVE-2019-19768}
 - [kernel] blktrace: fix unlocked registration of tracepoints (Ming Lei) [1806367 1798318] {CVE-2019-19768}
 - [kernel] blktrace: fix unlocked access to init/start-stop/teardown (Ming Lei) [1806367 1798318] {CVE-2019-19768}
 - [kernel] tracing: Fix possible double free on failure of allocating trace buffer (Jerome Marchand) [1803010 1803011] {CVE-2017-18595}
 - [kernel] tracing: Fix crash when it fails to alloc ring buffer (Jerome Marchand) [1803010 1803011] {CVE-2017-18595}

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-2020-2082.html

Plugin Details

Severity: High

ID: 136645

File Name: oraclelinux_ELSA-2020-2082.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/15/2020

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-2017-18595

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel

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: 5/14/2020

Vulnerability Publication Date: 9/4/2019

Reference Information

CVE: CVE-2017-18595, CVE-2019-19768, CVE-2020-10711

RHSA: 2020:2082