drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux (Aktualisierung)
Name: |
Mehrere Probleme in Linux (Aktualisierung) |
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ID: |
USN-4369-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 18.04 LTS, Ubuntu 19.10 |
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Datum: |
Fr, 29. Mai 2020, 07:23 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11608
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11565
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11609
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12657
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11494
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19377
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11668
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19769 |
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Applikationen: |
Linux |
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Update von: |
Mehrere Probleme in Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4369-2 May 28, 2020
linux, linux-raspi2, linux-raspi2-5.3 regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10 - Ubuntu 18.04 LTS
Summary:
USN-4369-1 introduced a regression in the Linux kernel.
Software Description: - linux: Linux kernel - linux-raspi2: Linux kernel for Raspberry Pi (V7) systems - linux-raspi2-5.3: Linux kernel for Raspberry Pi (V7) systems
Details:
USN-4369-1 fixed vulnerabilities in the 5.3 Linux kernel. Unfortunately, that update introduced a regression in overlayfs. This update corrects the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the btrfs implementation in the Linux kernel did not properly detect that a block was marked dirty in some situations. An attacker could use this to specially craft a file system image that, when unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
Tristan Madani discovered that the file locking implementation in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service or expose sensitive information. (CVE-2019-19769)
It was discovered that the Serial CAN interface driver in the Linux kernel did not properly initialize data. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2020-11494)
It was discovered that the linux kernel did not properly validate certain mount options to the tmpfs virtual memory file system. A local attacker with the ability to specify mount options could use this to cause a denial of service (system crash). (CVE-2020-11565)
It was discovered that the OV51x USB Camera device driver in the Linux kernel did not properly validate device metadata. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2020-11608)
It was discovered that the STV06XX USB Camera device driver in the Linux kernel did not properly validate device metadata. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2020-11609)
It was discovered that the Xirlink C-It USB Camera device driver in the Linux kernel did not properly validate device metadata. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2020-11668)
It was discovered that the block layer in the Linux kernel contained a race condition leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2020-12657)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10: linux-image-5.3.0-1026-raspi2 5.3.0-1026.28 linux-image-5.3.0-55-generic 5.3.0-55.49 linux-image-5.3.0-55-generic-lpae 5.3.0-55.49 linux-image-5.3.0-55-lowlatency 5.3.0-55.49 linux-image-5.3.0-55-snapdragon 5.3.0-55.49 linux-image-generic 5.3.0.55.47 linux-image-generic-lpae 5.3.0.55.47 linux-image-lowlatency 5.3.0.55.47 linux-image-raspi2 5.3.0.1026.23 linux-image-snapdragon 5.3.0.55.47 linux-image-virtual 5.3.0.55.47
Ubuntu 18.04 LTS: linux-image-5.3.0-1026-raspi2 5.3.0-1026.28~18.04.1 linux-image-raspi2-hwe-18.04 5.3.0.1026.15
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/4369-2 https://usn.ubuntu.com/4369-1 https://launchpad.net/bugs/1879690
Package Information: https://launchpad.net/ubuntu/+source/linux/5.3.0-55.49 https://launchpad.net/ubuntu/+source/linux-raspi2/5.3.0-1026.28 https://launchpad.net/ubuntu/+source/linux-raspi2-5.3/5.3.0-1026.28~18.04.1
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