Security Alert: Ubuntu Linux kernel vulnerabilities
Ubuntu Linux today pushed out a new version of Linux kernel to fix serval local and remote security issues. A malicious CIFS server could cause a client system crash or possibly execute arbitrary code with kernel privileges. On SMP systems, a race condition existed in fcntl(). Local attackers could perform malicious locks, causing system crashes and leading to a denial of service. This security issue affects the following Ubuntu, Kubuntu, Edubuntu, and Xubuntu. releases:
=> Ubuntu 6.06 LTS
=> Ubuntu 7.04
=> Ubuntu 7.10
To fix this issue type the following two commands:
$ sudo apt-get update
$ sudo apt-get upgrade
You need to reboot your computer to effect the necessary changes, enter:
$ sudo reboot
You may also be interested in other helpful articles:
- Debian Linux Kernel v2.6.18 Local / Remote Packages Fix Overflow Conditions Bug
- Ksplice: Patch The Linux Kernel Without Rebooting System
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- Security Comparison: Windows vs Linux
- Download of the day: Firefox 2.0.0.2
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Tags: abi, apt-get command, arbitrary code, attackers, cifs, CVE-2007-4571, CVE-2007-5904, CVE-2007-6694, CVE-2008-0007, CVE-2008-1294, CVE-2008-1375, CVE-2008-1669, denial of service, kernel, privilege, privileges, reboot command, Security, security issue, sudo command, Ubuntu Linux, Update, vulnerabilities
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