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Linux Kernel eCryptfs Lower Dentry Null Pointer Dereference Local Denial of Service Vulnerability

oval:org.mitre.oval:def:6992

The d_delete function in fs/ecryptfs/inode.c in eCryptfs in the Linux kernel 2.6.31 allows local users to cause a denial of service (kernel OOPS) and possibly execute arbitrary code via unspecified vectors that cause a "negative dentry" and trigger a NULL pointer dereference as demonstrated via a Mutt temporary directory in an eCryptfs mount.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • VMWare ESX Server 4.0
Class:
vulnerability
Reference(s):
  • CVE-2009-2908
Product(s):