Vulnerability   
Search   
    Search 187964 CVE descriptions
and 85075 test descriptions,
access 10,000+ cross references.
Tests   CVE   All  

Test ID:1.3.6.1.4.1.25623.1.0.844500
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for linux (USN-4426-1)
Summary:The remote host is missing an update for the 'linux'; package(s) announced via the USN-4426-1 advisory.
Description:Summary:
The remote host is missing an update for the 'linux'
package(s) announced via the USN-4426-1 advisory.

Vulnerability Insight:
Jason A. Donenfeld discovered that the ACPI implementation in the Linux
kernel did not properly restrict loading SSDT code from an EFI variable. A
privileged attacker could use this to bypass Secure Boot lockdown
restrictions and execute arbitrary code in the kernel. (CVE-2019-20908)

Fan Yang discovered that the mremap implementation in the Linux kernel did
not properly handle DAX Huge Pages. A local attacker with access to DAX
storage could use this to gain administrative privileges. (CVE-2020-10757)

Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could use this vulnerability
to cause a denial of service. (CVE-2020-11935)

Jason A. Donenfeld discovered that the ACPI implementation in the Linux
kernel did not properly restrict loading ACPI tables via configfs. A
privileged attacker could use this to bypass Secure Boot lockdown
restrictions and execute arbitrary code in the kernel. (CVE-2020-15780)

Affected Software/OS:
'linux' package(s) on Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
6.9

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-20908
Common Vulnerability Exposure (CVE) ID: CVE-2020-10757
Common Vulnerability Exposure (CVE) ID: CVE-2020-11935
Common Vulnerability Exposure (CVE) ID: CVE-2020-15780
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

This is only one of 85075 vulnerability tests in our test suite. Find out more about running a complete security audit.

To run a free test of this vulnerability against your system, register below.




© 1998-2020 E-Soft Inc. All rights reserved.