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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5801)

medium Nessus Plugin ID 139398

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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-2020-5801 advisory.

 - media: rc: prevent memory leak in cx23888_ir_probe (Navid Emamdoost) [Orabug: 31351672] {CVE-2019-19054}
 - vfio/pci: Fix SR-IOV VF handling with MMIO blocking (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
 - vfio/pci: Mask buggy SR-IOV VF INTx support (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
 - vfio-pci: Invalidate mmaps and block MMIO access on disabled memory (Alex Williamson) [Orabug:
 31439671] {CVE-2020-12888} {CVE-2020-12888}
 - vfio/pci: Pull BAR mapping setup from read-write path (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
 - vfio_pci: Enable memory accesses before calling pci_map_rom (Eric Auger) [Orabug: 31439671] {CVE-2020-12888}
 - vfio-pci: Fault mmaps to enable vma tracking (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
 - vfio/type1: Support faulting PFNMAP vmas (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
 - mm: bring in additional flag for fixup_user_fault to signal unlock (Dominik Dingel) [Orabug: 31439671] {CVE-2020-12888}
 - vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn() (Sean Christopherson) [Orabug:
 31439671] {CVE-2020-12888}
 - can, slip: Protect tty->disc_data in write_wakeup and close with RCU (Richard Palethorpe) [Orabug:
 31516085] {CVE-2020-14416}

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-2020-5801.html

Plugin Details

Severity: Medium

ID: 139398

File Name: oraclelinux_ELSA-2020-5801.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/7/2020

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2020-14416

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS Score Source: CVE-2020-12888

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, cpe:/o:oracle:linux:6

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: 8/6/2020

Vulnerability Publication Date: 11/18/2019

Reference Information

CVE: CVE-2019-19054, CVE-2020-12888, CVE-2020-14416