drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in systemd
Name: |
Denial of Service in systemd |
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ID: |
USN-5226-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 20.04 LTS, Ubuntu 21.04, Ubuntu 21.10 |
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Datum: |
Do, 13. Januar 2022, 06:53 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3997 |
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Applikationen: |
systemd |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-5226-1 January 13, 2022
systemd vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10 - Ubuntu 21.04 - Ubuntu 20.04 LTS
Summary:
systemd-tmpfiles could be made to crash or have other unspecified impacts.
Software Description: - systemd: system and service manager
Details:
It was discovered that systemd-tmpfiles employed uncontrolled recursion when removing deeply nested directory hierarchies. A local attacker could exploit this to cause systemd-tmpfiles to crash or have other unspecified impacts.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: systemd 248.3-1ubuntu8.2
Ubuntu 21.04: systemd 247.3-3ubuntu3.7
Ubuntu 20.04 LTS: systemd 245.4-4ubuntu3.15
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-5226-1 CVE-2021-3997
Package Information: https://launchpad.net/ubuntu/+source/systemd/248.3-1ubuntu8.2 https://launchpad.net/ubuntu/+source/systemd/247.3-3ubuntu3.7 https://launchpad.net/ubuntu/+source/systemd/245.4-4ubuntu3.15
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