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Test ID:1.3.6.1.4.1.25623.1.0.844605
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for linux (USN-4525-1)
Summary:The remote host is missing an update for the 'linux'; package(s) announced via the USN-4525-1 advisory.
Description:Summary:
The remote host is missing an update for the 'linux'
package(s) announced via the USN-4525-1 advisory.

Vulnerability Insight:
It was discovered that the AMD Cryptographic Coprocessor device driver in
the Linux kernel did not properly deallocate memory in some situations. A
local attacker could use this to cause a denial of service (memory
exhaustion). (CVE-2019-18808)

It was discovered that the Connexant 23885 TV card device driver for the
Linux kernel did not properly deallocate memory in some error conditions. A
local attacker could use this to cause a denial of service (memory
exhaustion). (CVE-2019-19054)

It was discovered that the VFIO PCI driver in the Linux kernel did not
properly handle attempts to access disabled memory spaces. A local attacker
could use this to cause a denial of service (system crash).
(CVE-2020-12888)

It was discovered that the state of network RNG in the Linux kernel was
potentially observable. A remote attacker could use this to expose
sensitive information. (CVE-2020-16166)

It was discovered that the NFS client implementation in the Linux kernel
did not properly perform bounds checking before copying security labels in
some situations. A local attacker could use this to cause a denial of
service (system crash) or possibly execute arbitrary code. (CVE-2020-25212)

Affected Software/OS:
'linux' package(s) on Ubuntu 20.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
4.7

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-18808
Common Vulnerability Exposure (CVE) ID: CVE-2019-19054
Common Vulnerability Exposure (CVE) ID: CVE-2020-12888
Common Vulnerability Exposure (CVE) ID: CVE-2020-16166
Common Vulnerability Exposure (CVE) ID: CVE-2020-25212
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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