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Linux Kernel RTL8169 NIC 'RxMaxSize' Frame Size Remote Denial of Service Vulnerability

oval:org.mitre.oval:def:7443

drivers/net/r8169.c in the r8169 driver in the Linux kernel 2.6.32.3 and earlier does not properly check the size of an Ethernet frame that exceeds the MTU which allows remote attackers to (1) cause a denial of service (temporary network outage) via a packet with a crafted size in conjunction with certain packets containing A characters and certain packets containing E characters; or (2) cause a denial of service (system crash) via a packet with a crafted size in conjunction with certain packets containing '\0' characters related to the value of the status register and erroneous behavior associated with the RxMaxSize register. NOTE: this vulnerability exists because of an incorrect fix for CVE-2009-1389.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • VMWare ESX Server 4.0
Class:
vulnerability
Reference(s):
  • CVE-2009-4537
Product(s):