drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-4592-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 18.04 LTS |
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Datum: |
Di, 20. Oktober 2020, 07:06 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12351
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12352
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24490 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4592-1 October 20, 2020
linux-oem-osp1, linux-raspi2-5.3 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description: - linux-oem-osp1: Linux kernel for OEM systems - linux-raspi2-5.3: Linux kernel for Raspberry Pi (V8) systems
Details:
Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-12351)
Andy Nguyen discovered that the Bluetooth A2MP implementation in the Linux kernel did not properly initialize memory in some situations. A physically proximate remote attacker could use this to expose sensitive information (kernel memory). (CVE-2020-12352)
Andy Nguyen discovered that the Bluetooth HCI event packet parser in the Linux kernel did not properly handle event advertisements of certain sizes, leading to a heap-based buffer overflow. A physically proximate remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-24490)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: linux-image-5.0.0-1070-oem-osp1 5.0.0-1070.76 linux-image-5.3.0-1036-raspi2 5.3.0-1036.38 linux-image-oem-osp1 5.0.0.1070.68 linux-image-raspi2-hwe-18.04 5.3.0.1036.25
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/4592-1 CVE-2020-12351, CVE-2020-12352, CVE-2020-24490
Package Information: https://launchpad.net/ubuntu/+source/linux-oem-osp1/5.0.0-1070.76 https://launchpad.net/ubuntu/+source/linux-raspi2-5.3/5.3.0-1036.38
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