drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Linux
Name: |
Zwei Probleme in Linux |
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ID: |
USN-4319-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 18.04 LTS, Ubuntu 19.10 |
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Datum: |
Di, 7. April 2020, 07:20 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8428
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19046 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4319-1 April 06, 2020
linux, linux-aws, linux-gcp, linux-gcp-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10 - Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-kvm: Linux kernel for cloud environments - linux-oracle: Linux kernel for Oracle Cloud systems - linux-raspi2: Linux kernel for Raspberry Pi 2 - linux-gcp-5.3: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe: Linux hardware enablement (HWE) kernel - linux-oracle-5.3: Linux kernel Oracle Cloud systems - linux-raspi2-5.3: Linux kernel for Raspberry Pi 2
Details:
It was discovered that the IPMI message handler implementation in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service (kernel memory exhaustion). (CVE-2019-19046)
Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2020-8428)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10: linux-image-5.3.0-1014-oracle 5.3.0-1014.15 linux-image-5.3.0-1015-kvm 5.3.0-1015.16 linux-image-5.3.0-1016-aws 5.3.0-1016.17 linux-image-5.3.0-1017-gcp 5.3.0-1017.18 linux-image-5.3.0-1022-raspi2 5.3.0-1022.24 linux-image-5.3.0-46-generic 5.3.0-46.38 linux-image-5.3.0-46-generic-lpae 5.3.0-46.38 linux-image-5.3.0-46-lowlatency 5.3.0-46.38 linux-image-5.3.0-46-snapdragon 5.3.0-46.38 linux-image-aws 5.3.0.1016.18 linux-image-gcp 5.3.0.1017.18 linux-image-generic 5.3.0.46.39 linux-image-generic-lpae 5.3.0.46.39 linux-image-gke 5.3.0.1017.18 linux-image-kvm 5.3.0.1015.17 linux-image-lowlatency 5.3.0.46.39 linux-image-oracle 5.3.0.1014.15 linux-image-raspi2 5.3.0.1022.19 linux-image-snapdragon 5.3.0.46.39 linux-image-virtual 5.3.0.46.39
Ubuntu 18.04 LTS: linux-image-5.3.0-1014-oracle 5.3.0-1014.15~18.04.1 linux-image-5.3.0-1017-gcp 5.3.0-1017.18~18.04.1 linux-image-5.3.0-1022-raspi2 5.3.0-1022.24~18.04.1 linux-image-5.3.0-46-generic 5.3.0-46.38~18.04.1 linux-image-5.3.0-46-generic-lpae 5.3.0-46.38~18.04.1 linux-image-5.3.0-46-lowlatency 5.3.0-46.38~18.04.1 linux-image-gcp-edge 5.3.0.1017.16 linux-image-generic-hwe-18.04 5.3.0.46.102 linux-image-generic-lpae-hwe-18.04 5.3.0.46.102 linux-image-lowlatency-hwe-18.04 5.3.0.46.102 linux-image-oracle-edge 5.3.0.1014.13 linux-image-raspi2-hwe-18.04 5.3.0.1022.11 linux-image-snapdragon-hwe-18.04 5.3.0.46.102 linux-image-virtual-hwe-18.04 5.3.0.46.102
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/4319-1 CVE-2019-19046, CVE-2020-8428
Package Information: https://launchpad.net/ubuntu/+source/linux/5.3.0-46.38 https://launchpad.net/ubuntu/+source/linux-aws/5.3.0-1016.17 https://launchpad.net/ubuntu/+source/linux-gcp/5.3.0-1017.18 https://launchpad.net/ubuntu/+source/linux-kvm/5.3.0-1015.16 https://launchpad.net/ubuntu/+source/linux-oracle/5.3.0-1014.15 https://launchpad.net/ubuntu/+source/linux-raspi2/5.3.0-1022.24 https://launchpad.net/ubuntu/+source/linux-gcp-5.3/5.3.0-1017.18~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe/5.3.0-46.38~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.3/5.3.0-1014.15~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi2-5.3/5.3.0-1022.24~18.04.1
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