What is CVE-2009-2407?

CVE-2009-2407 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2009-2407 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-2407?

CVE-2009-2407 has a CVSS score of 6.9 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2009-2407?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2009-2407 patch availability.

Is CVE-2009-2407 actively exploited?

CVE-2009-2407 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2009-2407

Medium

Heap-based buffer overflow in the parse_tag_3_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to a large encrypted key size in a Tag 3 packet.

Package Linux Kernel

Published 2009-07-31

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

6.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Vector string

AV:L/AC:M/Au:N/C:C/I:C/A:C

Weakness type

CWE-119

CVE-2009-2407 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

25 total

Risesecurity
http://risesecurity.org/advisories/RISE-2009003.txt

Exploit
Secunia
http://secunia.com/advisories/35985

Patch Vendor Advisory
Secunia
http://secunia.com/advisories/36045

Patch Vendor Advisory
Secunia
http://secunia.com/advisories/36051

Patch Vendor Advisory
Secunia
http://secunia.com/advisories/36054

Vendor Advisory

Showing 5 of 25 references View all on NVD

Details

CVE ID CVE-2009-2407

Severity Medium

CVSS score 6.9 / 10

CVSS version 2.0

Published 2009-07-31

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-2407?

CVE-2009-2407 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2009-2407 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-2407?

CVE-2009-2407 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2009-2407?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2009-2407 patch availability.
Is CVE-2009-2407 actively exploited?

No. CVE-2009-2407 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.