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Test ID:1.3.6.1.4.1.25623.1.0.844483
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for linux (USN-4411-1)
Summary:The remote host is missing an update for the 'linux'; package(s) announced via the USN-4411-1 advisory.
Description:Summary:
The remote host is missing an update for the 'linux'
package(s) announced via the USN-4411-1 advisory.

Vulnerability Insight:
It was discovered that the elf handling code in the Linux kernel did not
initialize memory before using it in certain situations. A local attacker
could use this to possibly expose sensitive information (kernel memory).
(CVE-2020-10732)

Matthew Sheets discovered that the SELinux network label handling
implementation in the Linux kernel could be coerced into de-referencing a
NULL pointer. A remote attacker could use this to cause a denial of service
(system crash). (CVE-2020-10711)

It was discovered that the SCSI generic (sg) driver in the Linux kernel did
not properly handle certain error conditions correctly. A local privileged
attacker could use this to cause a denial of service (system crash).
(CVE-2020-12770)

It was discovered that the USB Gadget device driver in the Linux kernel did
not validate arguments passed from configfs in some situations. A local
attacker could possibly use this to cause a denial of service (system
crash) or possibly expose sensitive information. (CVE-2020-13143)

It was discovered that the KVM implementation in the Linux kernel did not
properly deallocate memory on initialization for some processors. A local
attacker could possibly use this to cause a denial of service.
(CVE-2020-12768)

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

Solution:
Please install the updated package(s).

CVSS Score:
4.6

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-10732
Common Vulnerability Exposure (CVE) ID: CVE-2020-10711
Common Vulnerability Exposure (CVE) ID: CVE-2020-12770
Common Vulnerability Exposure (CVE) ID: CVE-2020-13143
Common Vulnerability Exposure (CVE) ID: CVE-2020-12768
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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