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ubuntuUbuntuUSN-3903-2
HistoryMar 06, 2019 - 12:00 a.m.

Linux kernel (HWE) vulnerabilities

2019-03-0600:00:00
ubuntu.com
126

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

33.0%

JSON

Releases

  • Ubuntu 18.04 ESM

Packages

  • linux-azure - Linux kernel for Microsoft Azure Cloud systems
  • linux-hwe - Linux hardware enablement (HWE) kernel

Details

USN-3903-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.

Jason Wang discovered that the vhost net driver in the Linux kernel
contained an out of bounds write vulnerability. An attacker in a guest
virtual machine could use this to cause a denial of service (host system
crash) or possibly execute arbitrary code in the host kernel.
(CVE-2018-16880)

Jann Horn discovered that the userfaultd implementation in the Linux kernel
did not properly restrict access to certain ioctls. A local attacker could
use this possibly to modify files. (CVE-2018-18397)

Jann Horn discovered a race condition in the fork() system call in the
Linux kernel. A local attacker could use this to gain access to services
that cache authorizations. (CVE-2019-6133)

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlinux-image-4.18.0-1013-azure< 4.18.0-1013.13~18.04.1UNKNOWN
Ubuntu18.04noarchlinux-image-4.18.0-1013-azure-dbgsym< 4.18.0-1013.13~18.04.1UNKNOWN
Ubuntu18.04noarchlinux-image-4.18.0-16-generic< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchkernel-signed-image-4.18.0-16-generic-di< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchlinux-image-4.18.0-16-generic-dbgsym< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchlinux-image-4.18.0-16-lowlatency< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchlinux-image-4.18.0-16-lowlatency-dbgsym< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchlinux-image-4.18.0-16-generic-lpae< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchblock-modules-4.18.0-16-generic-di< 4.18.0-16.17~18.04.1UNKNOWN
Ubuntu18.04noarchcrypto-modules-4.18.0-16-generic-di< 4.18.0-16.17~18.04.1UNKNOWN
Rows per page:
1-10 of 921

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Ubuntu: Security Advisory (USN-3903-2)
2019-03-07 00:00:00
Ubuntu: Security Advisory (USN-3903-1)
2019-03-07 00:00:00
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Ubuntu 18.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3903-2)
2019-03-07 00:00:00
Ubuntu 18.10 : linux, linux-azure, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities (USN-3903-1)
2019-03-07 00:00:00
Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3901-2)
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CVE-2018-18397
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CVE-2019-6133
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prion
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Design/Logic Flaw
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Linux userfaultfd tmpfs File Permission Bypass
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Authorization Bypass
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Authorization Bypass
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2019-02-01 01:42:55
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2022-04-09 06:52:47
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CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

33.0%

JSON
Related for USN-3903-2
openvas47nessus64ubuntu9cloudfoundry2ubuntucve3exploitdb1exploitpack1debiancve3prion3redhat9packetstorm1veracode2redhatcve3f53nvd3cve3cvelist3zdt1fedora9cbl_mariner2suse3centos3oraclelinux8virtuozzo1osv3amazon1ibm1alpinelinux1debian1mageia2photon3