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SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 6437)

Description

This patch updates the SUSE Linux Enterprise 10 SP2 kernel to fix various bugs and some security issues. The following security issues were fixed: CVE-2009-2692: A missing NULL pointer check in the socket sendpage function can be used by local attackers to gain root privileges. (No cve yet) A information leak from using sigaltstack was fixed. Enabled -fno-delete-null-pointer-checks to avoid optimizing away NULL pointer checks and fixed Makefiles to make sure -fwrapv is used everywhere. CVE-2009-1758: The hypervisor_callback function in Xen allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in 'certain address ranges.' - A crash on r8169 network cards when receiving large packets was fixed. (CVE-2009-1389) - The nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver. (CVE-2009-1630)


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