drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Preisgabe von Informationen in Linux
Name: |
Preisgabe von Informationen in Linux |
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ID: |
USN-3525-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 ESM |
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Datum: |
Mi, 10. Januar 2018, 10:58 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5754 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3525-1 January 10, 2018
linux vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
The system could be made to expose sensitive information.
Software Description: - linux: Linux kernel
Details:
Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 ESM: linux-image-3.2.0-132-generic 3.2.0-132.178 linux-image-3.2.0-132-generic-pae 3.2.0-132.178 linux-image-generic 3.2.0.132.146 linux-image-generic-pae 3.2.0.132.146
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-3525-1 CVE-2017-5754
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