drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3377-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS |
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Datum: |
Do, 3. August 2017, 22:02 |
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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-2017-10810
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000365
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7533 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3377-2 August 03, 2017
linux-hwe vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description: - linux-hwe: Linux hardware enablement (HWE) kernel
Details:
USN-3377-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS.
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-4.10.0-30-generic 4.10.0-30.34~16.04.1 linux-image-4.10.0-30-generic-lpae 4.10.0-30.34~16.04.1 linux-image-4.10.0-30-lowlatency 4.10.0-30.34~16.04.1 linux-image-generic-hwe-16.04 4.10.0.30.33 linux-image-generic-lpae-hwe-16.04 4.10.0.30.33 linux-image-lowlatency-hwe-16.04 4.10.0.30.33
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-3377-2 https://www.ubuntu.com/usn/usn-3377-1 CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
Package Information: https://launchpad.net/ubuntu/+source/linux-hwe/4.10.0-30.34~16.04.1
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