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Home >> Browse Vulnerability Assessment Database >> Ubuntu Local Security Checks >> USN47-1 : linux-source-2.6.8.1 vulnerabilities


Vulnerability Assessment Details

USN47-1 : linux-source-2.6.8.1 vulnerabilities

Vulnerability Assessment Summary
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-2.6.8.1-4
- linux-headers-2.6.8.1-4-386
- linux-headers-2.6.8.1-4-686
- linux-headers-2.6.8.1-4-686-smp
- linux-headers-2.6.8.1-4-amd64-generic
- linux-headers-2.6.8.1-4-amd64-k8
- linux-headers-2.6.8.1-4-amd64-k8-smp
- linux-headers-2.6.8.1-4-amd64-xeon
- linux-headers-2.6.8.1-4-k7
- linux-headers-2.6.8.1-4-k7-smp
- linux-headers-2.6.8.1-4-power3
- linux-headers-2.6.8.1-4-power3-smp
- linux-headers-2.6.8.
[...]

Description :

Georgi Guninski discovered two Denial of Service vulnerabilities in
the Linux kernel.

An integer overflow in the vc_resize() function caused the memory
allocation for the new screen being too short, thus causing a buffer
overflow and a kernel crash.

There was also a memory leak in the ip_options_get() function. Calling
ip_cmsg_send() very often would gradually exhaust memory.

Note: The original advisory (see URL above) also mentions a
"ip_options_get integer overflow". This was already fixed in USN-38-1
(known as CVE-2004-1016).

Solution :

Upgrade to :
- linux-doc-2.6.8.1-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-386-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-686-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-686-smp-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-amd64-generic-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-amd64-k8-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-amd64-k8-smp-2.6.8.1-16.5 (Ubuntu 4.10)
- linux-headers-2.6.8.1-4-a
[...]


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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