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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Ubuntu Local Security Checks >> USN110-1 : linux-source-2.6.8.1 vulnerabilities Vulnerability Assessment Details
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USN110-1 : linux-source-2.6.8.1 vulnerabilities |
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linux-source-2.6.8.1 vulnerabilities Detailed Explanation for this Vulnerability Assessment Summary : These remote packages are missing security patches : - linux-doc-2.6.8.1 - linux-headers-2.6.8.1-5 - linux-headers-2.6.8.1-5-386 - linux-headers-2.6.8.1-5-686 - linux-headers-2.6.8.1-5-686-smp - linux-headers-2.6.8.1-5-amd64-generic - linux-headers-2.6.8.1-5-amd64-k8 - linux-headers-2.6.8.1-5-amd64-k8-smp - linux-headers-2.6.8.1-5-amd64-xeon - linux-headers-2.6.8.1-5-k7 - linux-headers-2.6.8.1-5-k7-smp - linux-headers-2.6.8.1-5-power3 - linux-headers-2.6.8.1-5-power3-smp - linux-headers-2.6.8. [...] Description : Alexander Nyberg discovered an integer overflow in the sysfs_write_file() function. A local attacker could exploit this to crash the kernel or possibly even execute arbitrary code with root rights by writing to an user-writable file in /sys under certain low-memory conditions. However, there are very few cases where a user-writeable sysfs file actually exists. (CVE-2005-0867) Olof Johansson discovered a Denial of Service vulnerability in the futex functions, which provide semaphores for exclusive locking of resources. A local attacker could possibly exploit this to cause a kernel deadlock. (CVE-2005-0937) In addition this update fixes two race conditions in the ext3 and jfs file system drivers, which could lead to a kernel crash under certain (unusual) conditions. However, these cannot easily be triggered by users, thus they are not security sensitive. (http://linux.bkbits.net:8080/linux-2.5/gnupatch@4248d87aETPJX79hVXl4owAUwu2SmQ, http://linux.bkbits.net:8080/linux-2.6/cset@1.2181.46.242) Solution : Upgrade to : - linux-doc-2.6.8.1-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-386-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-686-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-686-smp-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-amd64-generic-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-amd64-k8-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6.8.1-5-amd64-k8-smp-2.6.8.1-16.14 (Ubuntu 4.10) - linux-headers-2.6 [...] Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi |
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