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ubuntuUbuntuUSN-4041-2
HistoryJun 29, 2019 - 12:00 a.m.

Linux kernel (HWE) update

2019-06-2900:00:00
ubuntu.com
62

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.974 High

EPSS

Percentile

99.9%

JSON

Releases

  • Ubuntu 14.04 ESM

Packages

  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-azure - Linux kernel for Microsoft Azure Cloud systems
  • linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty

Details

USN-4041-1 provided updates for the Linux kernel in Ubuntu.
This update provides the corresponding updates for the Linux kernel
for Ubuntu 16.04 ESM.

USN-4017-2 fixed vulnerabilities in the Linux kernel. Unfortunately,
the update introduced a regression that interfered with networking
applications that setup very low SO_SNDBUF values. This update fixes
the problem.

We apologize for the inconvenience.

Jonathan Looney discovered that the Linux kernel could be coerced into
segmenting responses into multiple TCP segments. A remote attacker could
construct an ongoing sequence of requests to cause a denial of service.
(CVE-2019-11479)

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchlinux-image-powerpc-smp-lts-xenial< 4.4.0.154.135UNKNOWN
Ubuntu14.04noarchlinux-image-generic-lpae-lts-xenial< 4.4.0.154.135UNKNOWN
Ubuntu14.04noarchlinux-image-generic-lts-xenial< 4.4.0.154.135UNKNOWN
Ubuntu14.04noarchlinux-image-4.4.0-154-powerpc64-smp< 4.4.0-154.181~14.04.1UNKNOWN
Ubuntu14.04noarchblock-modules-4.4.0-148-generic-di< 4.4.0-148.174~14.04.1UNKNOWN
Ubuntu14.04noarchcrypto-modules-4.4.0-148-generic-di< 4.4.0-148.174~14.04.1UNKNOWN
Ubuntu14.04noarchfat-modules-4.4.0-148-generic-di< 4.4.0-148.174~14.04.1UNKNOWN
Ubuntu14.04noarchfb-modules-4.4.0-148-generic-di< 4.4.0-148.174~14.04.1UNKNOWN
Ubuntu14.04noarchfirewire-core-modules-4.4.0-148-generic-di< 4.4.0-148.174~14.04.1UNKNOWN
Ubuntu14.04noarchfloppy-modules-4.4.0-148-generic-di< 4.4.0-148.174~14.04.1UNKNOWN
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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.974 High

EPSS

Percentile

99.9%

JSON
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