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NULL Pointer Dereference

CVE-2011-1478

Medium
5.7/10

Summary

The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame.

  • MEDIUM
  • ADJACENT_NETWORK
  • NONE
  • NONE
  • NONE
  • COMPLETE

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

References

Advisory Timeline

  • Published