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Debian Security Advisory DSA 2672-1 (kfreebsd-9 - interpretation conflict)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Adam Nowacki discovered that the new FreeBSD NFS implementation processes a crafted READDIR request which instructs to operate a file system on a file node as if it were a directory node, leading to a kernel crash or potentially arbitrary code execution. The kfreebsd-8 kernel in the oldstable distribution (squeeze) does not enable the new NFS implementation. The Linux kernel is not affected by this vulnerability.
Affected Software
Affected Software
kfreebsd-9 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (wheezy), this problem has been fixed in version 9.0-10+deb70.1. For the testing distribution (jessie) and the unstable distribution (sid), this problem has been fixed in version 9.0-11. We recommend that you upgrade your kfreebsd-9 packages.