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Linux Kernel NFS XDR Denial of Service
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Secunia Advisory:
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SA9403
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Release Date:
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2003-08-01
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Popularity:
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9,372 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| OS: | Linux Kernel 2.4.x
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| CVE reference: | CVE-2003-0619
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Description:
A vulnerability has been identified in the Linux kernel 2.4 branch allowing malicious users to cause a kernel panic.
The problem is that the "decode_fh" function in "nfs3xdr.c" fails to handle a negative size value in certain NFS calls. This allows malicious users to cause a kernel panic.
Exploit code exists.
Solution:
Linux kernel 2.4.21 is not vulnerable.
Provided and/or discovered by:
Jared Stanbrough
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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