CVE-2009-4536

High

drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel 2.6.32.3 and earlier handles Ethernet frames that exceed the MTU by processing certain trailing payload data as if it were a complete frame, which allows remote attackers to bypass packet filters via a large packet with a crafted payload. NOTE: this vulnerability exists because of an incorrect fix for CVE-2009-1385.

Package Linux Kernel
Published 2010-01-12
Last modified 2026-04-23
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

7.8

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
User Interaction
Scope
Confidentiality
Low
Integrity
None
Availability
Vector string
AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-189

CVE-2009-4536 is classified as CWE-189

See CWE-189 on MITRE CWE for full details on this weakness type.

References

38 total
Showing 5 of 38 references View all on NVD

Frequently asked questions

  • What is CVE-2009-4536?

    CVE-2009-4536 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2009-4536 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2009-4536?

    CVE-2009-4536 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2009-4536?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2009-4536 patch availability.

  • Is CVE-2009-4536 actively exploited?

    No. CVE-2009-4536 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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