drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3364-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Di, 25. Juli 2017, 06:57 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8944
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000380
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7346
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9900
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9605
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9150 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3364-2 July 24, 2017
linux-lts-xenial vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description: - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty
Details:
USN-3364-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS.
It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2014-9900)
It was discovered that the Linux kernel did not properly restrict access to /proc/iomem. A local attacker could use this to expose sensitive information. (CVE-2015-8944)
Alexander Potapenko discovered a race condition in the Advanced Linux Sound Architecture (ALSA) subsystem in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2017-1000380)
Li Qiang discovered that the DRM driver for VMware Virtual GPUs in the Linux kernel did not properly validate some ioctl arguments. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-7346)
Jann Horn discovered that bpf in Linux kernel does not restrict the output of the print_bpf_insn function. A local attacker could use this to obtain sensitive address information. (CVE-2017-9150)
Murray McAllister discovered that the DRM driver for VMware Virtual GPUs in the Linux kernel did not properly initialize memory. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2017-9605)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-4.4.0-87-generic 4.4.0-87.110~14.04.1 linux-image-4.4.0-87-generic-lpae 4.4.0-87.110~14.04.1 linux-image-4.4.0-87-lowlatency 4.4.0-87.110~14.04.1 linux-image-4.4.0-87-powerpc-e500mc 4.4.0-87.110~14.04.1 linux-image-4.4.0-87-powerpc-smp 4.4.0-87.110~14.04.1 linux-image-4.4.0-87-powerpc64-emb 4.4.0-87.110~14.04.1 linux-image-4.4.0-87-powerpc64-smp 4.4.0-87.110~14.04.1 linux-image-generic-lpae-lts-xenial 4.4.0.87.72 linux-image-generic-lts-xenial 4.4.0.87.72 linux-image-lowlatency-lts-xenial 4.4.0.87.72 linux-image-powerpc-e500mc-lts-xenial 4.4.0.87.72 linux-image-powerpc-smp-lts-xenial 4.4.0.87.72 linux-image-powerpc64-emb-lts-xenial 4.4.0.87.72 linux-image-powerpc64-smp-lts-xenial 4.4.0.87.72
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://www.ubuntu.com/usn/usn-3364-2 https://www.ubuntu.com/usn/usn-3364-1 CVE-2014-9900, CVE-2015-8944, CVE-2017-1000380, CVE-2017-7346, CVE-2017-9150, CVE-2017-9605
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-87.110~14.04.1
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