drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in Linux
Name: |
Denial of Service in Linux |
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ID: |
USN-4462-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 18.04 LTS |
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Datum: |
Di, 18. August 2020, 22:49 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12771 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4462-1 August 18, 2020
linux-gke-5.0, linux-oem-osp1 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
The system could be made to crash under certain conditions.
Software Description: - linux-gke-5.0: Linux kernel for Google Container Engine (GKE) systems - linux-oem-osp1: Linux kernel for OEM systems
Details:
It was discovered that the bcache subsystem in the Linux kernel did not properly release a lock in some error conditions. A local attacker could possibly use this to cause a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: linux-image-5.0.0-1046-gke 5.0.0-1046.47 linux-image-5.0.0-1067-oem-osp1 5.0.0-1067.72 linux-image-gke-5.0 5.0.0.1046.31 linux-image-oem-osp1 5.0.0.1067.65
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/4462-1 CVE-2020-12771
Package Information: https://launchpad.net/ubuntu/+source/linux-gke-5.0/5.0.0-1046.47 https://launchpad.net/ubuntu/+source/linux-oem-osp1/5.0.0-1067.72
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