Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4820)

high Nessus Plugin ID 129841

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-2019-4820 advisory.

- xfrm: policy: Fix out-of-bound array accesses in __xfrm_policy_unlink (YueHaibing) [Orabug: 30322228] {CVE-2019-15666}
- floppy: fix out-of-bounds read in copy_buffer (Denis Efremov) [Orabug: 30318218] {CVE-2019-14283}
- ALSA: line6: Fix write on zero-sized buffer (Takashi Iwai) [Orabug: 30254322] {CVE-2019-15221}
- KVM: coalesced_mmio: add bounds checking (Matt Delco) [Orabug: 30328863] {CVE-2019-14821} {CVE-2019-14821}
- vhost: make sure log_num < in_num (yongduan) [Orabug: 30313999] {CVE-2019-14835}
- vhost: block speculation of translated descriptors (Michael S. Tsirkin) [Orabug: 30313999] {CVE-2019-14835}
- Bluetooth: hci_uart: check for missing tty operations (Vladis Dronov) [Orabug: 30244614] {CVE-2019-10207} {CVE-2019-10207}
- IB/mlx5: Fix leaking stack memory to userspace (Jason Gunthorpe) [Orabug: 30244589] {CVE-2018-20855}

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-2019-4820.html

Plugin Details

Severity: High

ID: 129841

File Name: oraclelinux_ELSA-2019-4820.nasl

Version: 1.10

Type: local

Agent: unix

Published: 10/14/2019

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

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-2019-14835

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2019-14821

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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/11/2019

Vulnerability Publication Date: 7/26/2019

Reference Information

CVE: CVE-2018-20855, CVE-2019-10207, CVE-2019-14283, CVE-2019-14821, CVE-2019-14835, CVE-2019-15221, CVE-2019-15666