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Insecure Library Loading
Moderately critical

Linux Kernel Multiple Vulnerabilities

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Release Date:  2008-05-15    Last Update:  2008-05-19    Views:  13,262

Secunia Advisory SA30241

Where:

From remote

Impact:

Security Bypass, DoS

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


Some vulnerabilities have been reported in the Linux kernel, which can be exploited by malicious, local users to bypass certain security restrictions or cause a DoS (Denial of service), and by malicious people to potentially cause a DoS.

1) An error exists in the implementation of the "sys_utimensat()" system call. This can be exploited to update the access or modification time of arbitrary files via specially crafted arguments passed to the affected system call.

2) A memory leak exists in the "ipip6_rcv()" function included in the IPv6 over IPv4 (SIP) tunneling driver. This can be exploited to potentially exhaust all available memory via specially crafted network packets.

3) An error when checking "mmap()" address limits on SPARC platforms can be exploited to crash the system.

The vulnerabilities are reported in version 2.6.25.2. Prior versions may also be affected.


Solution:
Update to version 2.6.25.3.

Provided and/or discovered by:
1, 3) Reported by the vendor.
2) Paul Marks.

Original Advisory:
http://marc.info/?l=linux-netdev&m=121030861218192&w=2

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3
http://kerneltrap.org/mailarchive/git-commits-head/2008/5/8/1760604

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Linux Kernel Multiple Vulnerabilities

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