Detections
Analytics

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4746)

high Nessus Plugin ID 127985

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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-2019-4746 advisory.

 - ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME (Jann Horn) [Orabug: 30074408] {CVE-2019-13272}
 - Input: gtco - bounds check collection indent level (Grant Hernandez) [Orabug: 30074412] {CVE-2019-13631}
 - x86/speculation: Exclude ATOMs from speculation through SWAPGS (Thomas Gleixner) [Orabug: 29967570] {CVE-2019-1125}
 - x86/speculation: Enable Spectre v1 swapgs mitigations (Josh Poimboeuf) [Orabug: 29967570] {CVE-2019-1125}
 - x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations (Josh Poimboeuf) [Orabug:
 29967570] {CVE-2019-1125}
 - nfsd: COPY and CLONE operations require the saved filehandle to be set (Scott Mayhew) [Orabug:
 29925432] {CVE-2018-16871}
 - ext4: zero out the unused memory region in the extent tree block (Sriram Rajagopalan) [Orabug:
 29925498] {CVE-2019-11833} {CVE-2019-11833}
 - drm/edid: Fix a missing-check bug in drm_load_edid_firmware() (Gen Zhang) [Orabug: 29925968] {CVE-2019-12382}
 - ip_sockglue: Fix missing-check bug in ip_ra_control() (Gen Zhang) [Orabug: 29926004] {CVE-2019-12381}

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-2019-4746.html

Plugin Details

Severity: High

ID: 127985

File Name: oraclelinux_ELSA-2019-4746.nasl

Version: 1.10

Type: local

Agent: unix

Published: 8/20/2019

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

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-2019-13272

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-headers, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-uek-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-tools-libs-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: 8/15/2019

Vulnerability Publication Date: 11/30/2018

CISA Known Exploited Vulnerability Due Dates: 6/10/2022

Exploitable With

Core Impact

Metasploit (Linux Polkit pkexec helper PTRACE_TRACEME local root exploit)

Reference Information

CVE: CVE-2018-16871, CVE-2019-1125, CVE-2019-11833, CVE-2019-12378, CVE-2019-12381, CVE-2019-12382, CVE-2019-13272, CVE-2019-13631

IAVA: 2019-A-0284-S, 2019-A-0285-S, 2019-A-0290-S, 2019-A-0293-S