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Test ID:1.3.6.1.4.1.25623.1.0.844439
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for linux-gke-5.0 (USN-4368-1)
Summary:The remote host is missing an update for the 'linux-gke-5.0'; package(s) announced via the USN-4368-1 advisory.
Description:Summary:
The remote host is missing an update for the 'linux-gke-5.0'
package(s) announced via the USN-4368-1 advisory.

Vulnerability Insight:
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)

It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)

It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)

It was discovered that the OV51x USB Camera device driver in the Linux
kernel did not properly validate device metadata. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2020-11608)

It was discovered that the STV06XX USB Camera device driver in the Linux
kernel did not properly validate device metadata. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2020-11609)

It was discovered that the Xirlink C-It USB Camera device driver in the
Linux kernel did not properly validate device metadata. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2020-11668)

David Gibson discovered that the Linux kernel on Power9 CPUs did not
properly save and restore Authority Mask registers state in some
situations. A local attacker in a guest VM could use this to cause a denial
of service (host system crash). (CVE-2020-11669)

It was discovered that the block layer in the Linux kernel contained a race
condition leading to a use-after-free vulnerability. A local attacker could
possibly use this to cause a denial of service (system crash) or execute
arbitrary code. (CVE-2020-12657)

Affected Software/OS:
'linux-gke-5.0' package(s) on Ubuntu 18.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
6.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-19769
Common Vulnerability Exposure (CVE) ID: CVE-2020-11494
Common Vulnerability Exposure (CVE) ID: CVE-2020-11565
Common Vulnerability Exposure (CVE) ID: CVE-2020-11608
Common Vulnerability Exposure (CVE) ID: CVE-2020-11609
Common Vulnerability Exposure (CVE) ID: CVE-2020-11668
Common Vulnerability Exposure (CVE) ID: CVE-2020-11669
Common Vulnerability Exposure (CVE) ID: CVE-2020-12657
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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