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Sicherheit: Preisgabe von Informationen in Linux
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in Linux
ID: USN-4627-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS, Ubuntu 12.04 ESM, Ubuntu 18.04 LTS, Ubuntu 14.04 ESM, Ubuntu 20.04 LTS
Datum: Mi, 11. November 2020, 06:47
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8694
Applikationen: Linux

Originalnachricht

 

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==========================================================================
Ubuntu Security Notice USN-4627-1
November 11, 2020

linux, linux-gcp, linux-gcp-4.15, linux-gcp-5.4, linux-gke-4.15,
linux-gke-5.3, linux-hwe, linux-hwe-5.4, linux-oem, linux-oem-osp1,
linux-oracle, linux-oracle-5.4 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

The system could be made to expose sensitive information.

Software Description:
- linux: Linux kernel
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-gcp-4.15: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gke-4.15: Linux kernel for Google Container Engine (GKE) systems
- linux-gke-5.3: Linux kernel for Google Container Engine (GKE) systems
- linux-hwe: Linux hardware enablement (HWE) kernel
- linux-hwe-5.4: Linux hardware enablement (HWE) kernel
- linux-oem: Linux kernel for OEM systems
- linux-oem-osp1: Linux kernel for OEM systems
- linux-oracle-5.4: Linux kernel for Oracle Cloud systems
- linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty
- linux-lts-trusty: Linux hardware enablement kernel from Trusty for Precise
 ESM

Details:

Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine
Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running
Average Power Limit (RAPL) driver in the Linux kernel did not properly
restrict access to power data. A local attacker could possibly use this to
expose sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  linux-image-5.4.0-1029-gcp      5.4.0-1029.31
  linux-image-5.4.0-1029-oracle   5.4.0-1029.31
  linux-image-5.4.0-53-generic    5.4.0-53.59
  linux-image-5.4.0-53-generic-lpae  5.4.0-53.59
  linux-image-5.4.0-53-lowlatency  5.4.0-53.59
  linux-image-gcp                 5.4.0.1029.37
  linux-image-generic             5.4.0.53.56
  linux-image-generic-hwe-20.04   5.4.0.53.56
  linux-image-generic-lpae        5.4.0.53.56
  linux-image-generic-lpae-hwe-20.04  5.4.0.53.56
  linux-image-gke                 5.4.0.1029.37
  linux-image-lowlatency          5.4.0.53.56
  linux-image-lowlatency-hwe-20.04  5.4.0.53.56
  linux-image-oem                 5.4.0.53.56
  linux-image-oem-osp1            5.4.0.53.56
  linux-image-oracle              5.4.0.1029.26
  linux-image-virtual             5.4.0.53.56
  linux-image-virtual-hwe-20.04   5.4.0.53.56

Ubuntu 18.04 LTS:
  linux-image-4.15.0-1058-oracle  4.15.0-1058.64
  linux-image-4.15.0-1073-gke     4.15.0-1073.78
  linux-image-4.15.0-1087-gcp     4.15.0-1087.100
  linux-image-4.15.0-1101-oem     4.15.0-1101.112
  linux-image-4.15.0-123-generic  4.15.0-123.126
  linux-image-4.15.0-123-generic-lpae  4.15.0-123.126
  linux-image-4.15.0-123-lowlatency  4.15.0-123.126
  linux-image-5.0.0-1071-oem-osp1  5.0.0-1071.77
  linux-image-5.3.0-1039-gke      5.3.0-1039.42
  linux-image-5.3.0-69-generic    5.3.0-69.65
  linux-image-5.3.0-69-lowlatency  5.3.0-69.65
  linux-image-5.4.0-1029-gcp      5.4.0-1029.31~18.04.1
  linux-image-5.4.0-1029-oracle   5.4.0-1029.31~18.04.1
  linux-image-5.4.0-53-generic    5.4.0-53.59~18.04.1
  linux-image-5.4.0-53-generic-lpae  5.4.0-53.59~18.04.1
  linux-image-5.4.0-53-lowlatency  5.4.0-53.59~18.04.1
  linux-image-gcp                 5.4.0.1029.17
  linux-image-gcp-edge            5.4.0.1029.17
  linux-image-gcp-lts-18.04       4.15.0.1087.105
  linux-image-generic             4.15.0.123.110
  linux-image-generic-hwe-18.04   5.4.0.53.59~18.04.47
  linux-image-generic-lpae        4.15.0.123.110
  linux-image-generic-lpae-hwe-18.04  5.4.0.53.59~18.04.47
  linux-image-gke                 4.15.0.1073.77
  linux-image-gke-4.15            4.15.0.1073.77
  linux-image-gke-5.3             5.3.0.1039.22
  linux-image-gkeop-5.3           5.3.0.69.126
  linux-image-lowlatency          4.15.0.123.110
  linux-image-lowlatency-hwe-18.04  5.4.0.53.59~18.04.47
  linux-image-oem                 4.15.0.1101.105
  linux-image-oem-osp1            5.0.0.1071.69
  linux-image-oracle              5.4.0.1029.13
  linux-image-oracle-edge         5.4.0.1029.13
  linux-image-oracle-lts-18.04    4.15.0.1058.68
  linux-image-powerpc-e500mc      4.15.0.123.110
  linux-image-powerpc-smp         4.15.0.123.110
  linux-image-powerpc64-emb       4.15.0.123.110
  linux-image-powerpc64-smp       4.15.0.123.110
  linux-image-snapdragon-hwe-18.04  5.4.0.53.59~18.04.47
  linux-image-virtual             4.15.0.123.110
  linux-image-virtual-hwe-18.04   5.4.0.53.59~18.04.47

Ubuntu 16.04 LTS:
  linux-image-4.15.0-1058-oracle  4.15.0-1058.64~16.04.1
  linux-image-4.15.0-1087-gcp     4.15.0-1087.100~16.04.1
  linux-image-4.15.0-123-generic  4.15.0-123.126~16.04.1
  linux-image-4.15.0-123-generic-lpae  4.15.0-123.126~16.04.1
  linux-image-4.15.0-123-lowlatency  4.15.0-123.126~16.04.1
  linux-image-4.4.0-194-generic   4.4.0-194.226
  linux-image-4.4.0-194-generic-lpae  4.4.0-194.226
  linux-image-4.4.0-194-lowlatency  4.4.0-194.226
  linux-image-4.4.0-194-powerpc-e500mc  4.4.0-194.226
  linux-image-4.4.0-194-powerpc-smp  4.4.0-194.226
  linux-image-4.4.0-194-powerpc64-emb  4.4.0-194.226
  linux-image-4.4.0-194-powerpc64-smp  4.4.0-194.226
  linux-image-gcp                 4.15.0.1087.88
  linux-image-generic             4.4.0.194.200
  linux-image-generic-hwe-16.04   4.15.0.123.123
  linux-image-generic-lpae        4.4.0.194.200
  linux-image-generic-lpae-hwe-16.04  4.15.0.123.123
  linux-image-gke                 4.15.0.1087.88
  linux-image-lowlatency          4.4.0.194.200
  linux-image-lowlatency-hwe-16.04  4.15.0.123.123
  linux-image-oem                 4.15.0.123.123
  linux-image-oracle              4.15.0.1058.47
  linux-image-powerpc-e500mc      4.4.0.194.200
  linux-image-powerpc-smp         4.4.0.194.200
  linux-image-powerpc64-emb       4.4.0.194.200
  linux-image-powerpc64-smp       4.4.0.194.200
  linux-image-virtual             4.4.0.194.200
  linux-image-virtual-hwe-16.04   4.15.0.123.123

Ubuntu 14.04 ESM:
  linux-image-3.13.0-183-generic  3.13.0-183.234
  linux-image-3.13.0-183-generic-lpae  3.13.0-183.234
  linux-image-3.13.0-183-lowlatency  3.13.0-183.234
  linux-image-3.13.0-183-powerpc-e500  3.13.0-183.234
  linux-image-3.13.0-183-powerpc-e500mc  3.13.0-183.234
  linux-image-3.13.0-183-powerpc-smp  3.13.0-183.234
  linux-image-3.13.0-183-powerpc64-emb  3.13.0-183.234
  linux-image-3.13.0-183-powerpc64-smp  3.13.0-183.234
  linux-image-4.4.0-194-generic   4.4.0-194.226~14.04.1
  linux-image-4.4.0-194-generic-lpae  4.4.0-194.226~14.04.1
  linux-image-4.4.0-194-lowlatency  4.4.0-194.226~14.04.1
  linux-image-4.4.0-194-powerpc-e500mc  4.4.0-194.226~14.04.1
  linux-image-4.4.0-194-powerpc-smp  4.4.0-194.226~14.04.1
  linux-image-4.4.0-194-powerpc64-emb  4.4.0-194.226~14.04.1
  linux-image-4.4.0-194-powerpc64-smp  4.4.0-194.226~14.04.1
  linux-image-generic             3.13.0.183.192
  linux-image-generic-lpae        3.13.0.183.192
  linux-image-generic-lpae-lts-xenial  4.4.0.194.170
  linux-image-generic-lts-xenial  4.4.0.194.170
  linux-image-generic-pae         3.13.0.183.192
  linux-image-highbank            3.13.0.183.192
  linux-image-lowlatency          3.13.0.183.192
  linux-image-lowlatency-lts-xenial  4.4.0.194.170
  linux-image-lowlatency-pae      3.13.0.183.192
  linux-image-omap                3.13.0.183.192
  linux-image-powerpc-e500        3.13.0.183.192
  linux-image-powerpc-e500mc      3.13.0.183.192
  linux-image-powerpc-e500mc-lts-xenial  4.4.0.194.170
  linux-image-powerpc-smp         3.13.0.183.192
  linux-image-powerpc-smp-lts-xenial  4.4.0.194.170
  linux-image-powerpc64-emb       3.13.0.183.192
  linux-image-powerpc64-emb-lts-xenial  4.4.0.194.170
  linux-image-powerpc64-smp       3.13.0.183.192
  linux-image-powerpc64-smp-lts-xenial  4.4.0.194.170
  linux-image-server              3.13.0.183.192
  linux-image-virtual             3.13.0.183.192
  linux-image-virtual-lts-xenial  4.4.0.194.170

Ubuntu 12.04 ESM:
  linux-image-3.13.0-183-generic  3.13.0-183.234~12.04.1
  linux-image-3.13.0-183-generic-lpae  3.13.0-183.234~12.04.1
  linux-image-3.13.0-183-lowlatency  3.13.0-183.234~12.04.1
  linux-image-generic-lpae-lts-trusty  3.13.0.183.169
  linux-image-generic-lts-trusty  3.13.0.183.169

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
  https://usn.ubuntu.com/4627-1
  CVE-2020-8694

Package Information:
  https://launchpad.net/ubuntu/+source/linux/5.4.0-53.59
  https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1029.31
  https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1029.31
  https://launchpad.net/ubuntu/+source/linux/4.15.0-123.126
  https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1087.100
  https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1029.31~18.04.1
  https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1073.78
  https://launchpad.net/ubuntu/+source/linux-gke-5.3/5.3.0-1039.42
  https://launchpad.net/ubuntu/+source/linux-hwe/5.3.0-69.65
  https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-53.59~18.04.1
  https://launchpad.net/ubuntu/+source/linux-oem/4.15.0-1101.112
  https://launchpad.net/ubuntu/+source/linux-oem-osp1/5.0.0-1071.77
  https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1058.64
  https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1029.31~18.04.1
  https://launchpad.net/ubuntu/+source/linux/4.4.0-194.226
  https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1087.100~16.04.1
  https://launchpad.net/ubuntu/+source/linux-hwe/4.15.0-123.126~16.04.1
  https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1058.64~16.04.1


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