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UbuntuUSN-5319-1

HistoryMar 09, 2022 - 12:00 a.m.

Linux kernel vulnerabilities

2022-03-0900:00:00

ubuntu.com

120

ubuntu

kernel

security

vulnerabilities

spectre-bti

intel

hardware mitigations

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

18.0%

JSON

Releases

Ubuntu 18.04 ESM
Ubuntu 16.04 ESM
Ubuntu 14.04 ESM

Packages

linux - Linux kernel
linux-aws - Linux kernel for Amazon Web Services (AWS) systems
linux-aws-hwe - Linux kernel for Amazon Web Services (AWS-HWE) systems
linux-azure - Linux kernel for Microsoft Azure Cloud systems
linux-azure-4.15 - Linux kernel for Microsoft Azure Cloud systems
linux-dell300x - Linux kernel for Dell 300x platforms
linux-gcp - Linux kernel for Google Cloud Platform (GCP) systems
linux-gcp-4.15 - Linux kernel for Google Cloud Platform (GCP) systems
linux-hwe - Linux hardware enablement (HWE) kernel
linux-kvm - Linux kernel for cloud environments
linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty
linux-oracle - Linux kernel for Oracle Cloud systems
linux-raspi2 - Linux kernel for Raspberry Pi systems
linux-snapdragon - Linux kernel for Qualcomm Snapdragon processors

Details

Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano
Giuffrida discovered that hardware mitigations added by Intel to their
processors to address Spectre-BTI were insufficient. A local attacker could
potentially use this to expose sensitive information.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlinux-image-4.15.0-1133-azure< 4.15.0-1133.146UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1133-azure-dbgsym< 4.15.0-1133.146UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1122-snapdragon< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-buildinfo-4.15.0-1122-snapdragon< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-headers-4.15.0-1122-snapdragon< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1122-snapdragon-dbgsym< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-modules-4.15.0-1122-snapdragon< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-snapdragon-headers-4.15.0-1122< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-snapdragon-tools-4.15.0-1122< 4.15.0-1122.131UNKNOWN
Ubuntu18.04noarchlinux-tools-4.15.0-1122-snapdragon< 4.15.0-1122.131UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	18.04	noarch	linux-image-4.15.0-1133-azure	< 4.15.0-1133.146	UNKNOWN
Ubuntu	18.04	noarch	linux-image-4.15.0-1133-azure-dbgsym	< 4.15.0-1133.146	UNKNOWN
Ubuntu	18.04	noarch	linux-image-4.15.0-1122-snapdragon	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-buildinfo-4.15.0-1122-snapdragon	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-headers-4.15.0-1122-snapdragon	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-image-4.15.0-1122-snapdragon-dbgsym	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-modules-4.15.0-1122-snapdragon	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-snapdragon-headers-4.15.0-1122	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-snapdragon-tools-4.15.0-1122	< 4.15.0-1122.131	UNKNOWN
Ubuntu	18.04	noarch	linux-tools-4.15.0-1122-snapdragon	< 4.15.0-1122.131	UNKNOWN