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

medium Nessus Plugin ID 122044
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

Description of changes:

[3.8.13-118.30.1.el7uek]
- 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}
- btrfs: relocation: Only remove reloc rb_trees if reloc control has been initialized (Qu Wenruo) [Orabug: 29301105] {CVE-2018-14609}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-February/008474.html

https://oss.oracle.com/pipermail/el-errata/2019-February/008475.html

Plugin Details

Severity: Medium

ID: 122044

File Name: oraclelinux_ELSA-2019-4532.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2/8/2019

Updated: 2/12/2020

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2018-17972

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*, cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-doc:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-firmware:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:dtrace-modules-3.8.13-118.30.1.el6uek:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:dtrace-modules-3.8.13-118.30.1.el7uek:*:*:*:*:*:*:*

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/7/2019

Vulnerability Publication Date: 2/27/2018

Reference Information

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