drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux (Aktualisierung)
Name: |
Mehrere Probleme in Linux (Aktualisierung) |
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ID: |
USN-3676-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Di, 12. Juni 2018, 07:38 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1092
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1093
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8087
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10940 |
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Applikationen: |
Linux |
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Update von: |
Mehrere Probleme in Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3676-2 June 11, 2018
linux-lts-xenial, linux-aws 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-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty
Details:
USN-3676-1 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.
Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service (system crash) when mounted. (CVE-2018-1092, CVE-2018-1093)
It was discovered that the cdrom driver in the Linux kernel contained an incorrect bounds check. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-10940)
It was discovered that the 802.11 software simulator implementation in the Linux kernel contained a memory leak when handling certain error conditions. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2018-8087)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-4.4.0-1023-aws 4.4.0-1023.23 linux-image-4.4.0-128-generic 4.4.0-128.154~14.04.1 linux-image-4.4.0-128-generic-lpae 4.4.0-128.154~14.04.1 linux-image-4.4.0-128-lowlatency 4.4.0-128.154~14.04.1 linux-image-4.4.0-128-powerpc-e500mc 4.4.0-128.154~14.04.1 linux-image-4.4.0-128-powerpc-smp 4.4.0-128.154~14.04.1 linux-image-4.4.0-128-powerpc64-emb 4.4.0-128.154~14.04.1 linux-image-4.4.0-128-powerpc64-smp 4.4.0-128.154~14.04.1 linux-image-aws 4.4.0.1023.23 linux-image-generic-lpae-lts-xenial 4.4.0.128.108 linux-image-generic-lts-xenial 4.4.0.128.108 linux-image-lowlatency-lts-xenial 4.4.0.128.108 linux-image-powerpc-e500mc-lts-xenial 4.4.0.128.108 linux-image-powerpc-smp-lts-xenial 4.4.0.128.108 linux-image-powerpc64-emb-lts-xenial 4.4.0.128.108 linux-image-powerpc64-smp-lts-xenial 4.4.0.128.108
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/usn/usn-3676-2 https://usn.ubuntu.com/usn/usn-3676-1 CVE-2018-1092, CVE-2018-1093, CVE-2018-10940, CVE-2018-8087
Package Information: https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1023.23 https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-128.154~14.04.1
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