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Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5676)

high Nessus Plugin ID 136485

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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-2020-5676 advisory.

 - KVM: x86: Protect ioapic_read_indirect() from Spectre-v1/L1TF attacks (Marios Pomonis) [Orabug:
 31191092] {CVE-2013-1798}
 - HID: hiddev: do cleanup in failure of opening a device (Hillf Danton) [Orabug: 31206359] {CVE-2019-19527}
 - HID: hiddev: avoid opening a disconnected device (Hillf Danton) [Orabug: 31206359] {CVE-2019-19527}
 - include/linux/relay.h: fix percpu annotation in struct rchan (Luc Van Oostenryck) [Orabug: 31183399] {CVE-2019-19462}
 - HID: Fix assumption that devices have inputs (Alan Stern) [Orabug: 30622561] {CVE-2019-19532}
 - vgacon: Fix a UAF in vgacon_invert_region (Zhang Xiaoxu) [Orabug: 31143946] {CVE-2020-8649} {CVE-2020-8647} {CVE-2020-8647} {CVE-2020-8649} {CVE-2020-8647} {CVE-2020-8649}
 - blktrace: Protect q->blk_trace with RCU (Jan Kara) [Orabug: 31123575] {CVE-2019-19768}
 - blktrace: fix unlocked access to init/start-stop/teardown (Jens Axboe) [Orabug: 31123575] {CVE-2019-19768}
 - vt: selection, push sel_lock up (Jiri Slaby) [Orabug: 30923296] {CVE-2020-8648}
 - vt: selection, push console lock down (Jiri Slaby) [Orabug: 30923296] {CVE-2020-8648}
 - vt: selection, close sel_buffer race (Jiri Slaby) [Orabug: 30923296] {CVE-2020-8648} {CVE-2020-8648}
 - slcan: Don't transmit uninitialized stack data in padding (Richard Palethorpe) [Orabug: 31136752] {CVE-2020-11494}
 - crypto: user - fix leaking uninitialized memory to userspace (Eric Biggers) [Orabug: 31081816] {CVE-2018-19854}
 - scsi: libsas: stop discovering if oob mode is disconnected (Jason Yan) [Orabug: 30770911] {CVE-2019-19965}
 - dccp: Fix memleak in __feat_register_sp (YueHaibing) [Orabug: 30755059] {CVE-2019-20096}
 - mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings (Wen Huang) [Orabug:
 31104480] {CVE-2019-14814} {CVE-2019-14815} {CVE-2019-14816} {CVE-2019-14814} {CVE-2019-14815} {CVE-2019-14816}
 - floppy: check FDC index for errors before assigning it (Linus Torvalds) [Orabug: 31067513] {CVE-2020-9383}

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-2020-5676.html

Plugin Details

Severity: High

ID: 136485

File Name: oraclelinux_ELSA-2020-5676.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/12/2020

Updated: 11/1/2024

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: 5.6

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

CVSS Score Source: CVE-2019-19527

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2019-14816

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: 5/11/2020

Vulnerability Publication Date: 3/1/2013

Reference Information

CVE: CVE-2013-1798, CVE-2018-19854, CVE-2019-14814, CVE-2019-14815, CVE-2019-14816, CVE-2019-19462, CVE-2019-19527, CVE-2019-19532, CVE-2019-19768, CVE-2019-19965, CVE-2019-20096, CVE-2020-11494, CVE-2020-8647, CVE-2020-8648, CVE-2020-8649, CVE-2020-9383