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ubuntuUbuntuUSN-4255-2
HistoryJan 28, 2020 - 12:00 a.m.

Linux kernel (HWE) vulnerabilities

2020-01-2800:00:00
ubuntu.com
64

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

40.6%

JSON

Releases

  • Ubuntu 16.04 ESM

Packages

  • linux-aws-hwe - Linux kernel for Amazon Web Services (AWS-HWE) systems
  • linux-hwe - Linux hardware enablement (HWE) kernel

Details

USN-4255-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu
16.04 LTS.

It was discovered that the Linux kernel did not properly clear data
structures on context switches for certain Intel graphics processors. A
local attacker could use this to expose sensitive information.
(CVE-2019-14615)

It was discovered that a race condition can lead to a use-after-free while
destroying GEM contexts in the i915 driver for the Linux kernel. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2020-7053)

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchlinux-image-4.15.0-1058-aws< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-aws-headers-4.15.0-1058< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-aws-hwe-tools-4.15.0-1058< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-buildinfo-4.15.0-1058-aws< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-headers-4.15.0-1058-aws< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-image-4.15.0-1058-aws-dbgsym< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-modules-4.15.0-1058-aws< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-modules-extra-4.15.0-1058-aws< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-tools-4.15.0-1058-aws< 4.15.0-1058.60~16.04.1UNKNOWN
Ubuntu16.04noarchlinux-image-4.15.0-76-generic< 4.15.0-76.86~16.04.1UNKNOWN
Rows per page:
1-10 of 1231

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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

40.6%

JSON
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