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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4532)

medium Nessus Plugin ID 122044

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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-2019-4532 advisory.

 - ext4: validate that metadata blocks do not overlap superblock (Theodore Ts'o) [Orabug: 28220451] {CVE-2018-1094}
 - ext4: always initialize the crc32c checksum driver (Theodore Ts'o) [Orabug: 28220451] {CVE-2018-1094} {CVE-2018-1094}
 - vfs: Add sb_rdonly(sb) to query the MS_RDONLY flag on s_flags (David Howells) [Orabug: 28220451] {CVE-2018-1094}
 - ocfs2: should wait dio before inode lock in ocfs2_setattr() (alex chen) [Orabug: 28852830] {CVE-2017-18204}
 - Make file credentials available to the seqfile interfaces (Linus Torvalds) [Orabug: 29114878] {CVE-2018-17972}
 - proc: restrict kernel stack dumps to root (Jann Horn) [Orabug: 29114878] {CVE-2018-17972}

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-2019-4532.html

Plugin Details

Severity: Medium

ID: 122044

File Name: oraclelinux_ELSA-2019-4532.nasl

Version: 1.11

Type: local

Agent: unix

Published: 2/8/2019

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2018-17972

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.30.1.el6uek, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, cpe:/o:oracle:linux:6, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.30.1.el7uek

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: 2/6/2019

Vulnerability Publication Date: 2/27/2018

Reference Information

CVE: CVE-2017-18204, CVE-2018-1094, CVE-2018-14609, CVE-2018-17972