drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3392-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS |
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Datum: |
Mi, 16. August 2017, 10:34 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7482
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7533
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10810
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000365 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3392-1 August 16, 2017
linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
USN-3378-1 introduced a regression in the Linux kernel.
Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-gke: Linux kernel for Google Container Engine (GKE) systems - linux-raspi2: Linux kernel for Raspberry Pi 2 - linux-snapdragon: Linux kernel for Snapdragon processors
Details:
USN-3378-1 fixed vulnerabilities in the Linux kernel. Unfortunately, a regression was introduced that prevented conntrack from working correctly in some situations. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2017-7533)
It was discovered that the Linux kernel did not properly restrict RLIMIT_STACK size. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code. (CVE-2017-1000365)
æ区 discovered that the Virtio GPU driver in the Linux kernel did not properly free memory in some situations. A local attacker could use this to cause a denial of service (memory consumption). (CVE-2017-10810)
ç³ç£ discovered that the RxRPC Kerberos 5 ticket handling code in the Linux kernel did not properly verify metadata. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7482)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: linux-image-4.4.0-1027-gke 4.4.0-1027.27 linux-image-4.4.0-1031-aws 4.4.0-1031.40 linux-image-4.4.0-1070-raspi2 4.4.0-1070.78 linux-image-4.4.0-1072-snapdragon 4.4.0-1072.77 linux-image-4.4.0-92-generic 4.4.0-92.115 linux-image-4.4.0-92-generic-lpae 4.4.0-92.115 linux-image-4.4.0-92-lowlatency 4.4.0-92.115 linux-image-4.4.0-92-powerpc-e500mc 4.4.0-92.115 linux-image-4.4.0-92-powerpc-smp 4.4.0-92.115 linux-image-4.4.0-92-powerpc64-emb 4.4.0-92.115 linux-image-4.4.0-92-powerpc64-smp 4.4.0-92.115 linux-image-aws 4.4.0.1031.33 linux-image-generic 4.4.0.92.97 linux-image-generic-lpae 4.4.0.92.97 linux-image-gke 4.4.0.1027.28 linux-image-lowlatency 4.4.0.92.97 linux-image-powerpc-e500mc 4.4.0.92.97 linux-image-powerpc-smp 4.4.0.92.97 linux-image-powerpc64-emb 4.4.0.92.97 linux-image-powerpc64-smp 4.4.0.92.97 linux-image-raspi2 4.4.0.1070.70 linux-image-snapdragon 4.4.0.1072.64
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-3392-1 https://bugs.launchpad.net/bugs/1709032, https://usn.ubuntu.com/usn/usn-3378-1
Package Information: https://launchpad.net/ubuntu/+source/linux/4.4.0-92.115 https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1031.40 https://launchpad.net/ubuntu/+source/linux-gke/4.4.0-1027.27 https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1070.78 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1072.77
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