What is CVE-2005-4639?

CVE-2005-4639 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10. CVE-2005-4639 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2005-4639?

CVE-2005-4639 has a CVSS score of 4.6 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:P/I:P/A:P.

Is there a patch available for CVE-2005-4639?

No patch is currently available for CVE-2005-4639. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2005-4639 actively exploited?

CVE-2005-4639 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2005-4639

Medium

Buffer overflow in the CA-driver (dst_ca.c) for TwinHan DST Frontend/Card in Linux kernel 2.6.12 and other versions before 2.6.15 allows local users to cause a denial of service (crash) and possibly execute arbitrary code by "reading more than 8 bytes into an 8 byte long array".

Package Linux Kernel

Published 2005-12-31

Last modified 2026-04-16

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.6

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

References

The following references provide additional information about CVE-2005-4639 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.15
Mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:040
Vupen
http://www.vupen.com/english/advisories/2006/0035
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/43323
Ubuntu Security
https://usn.ubuntu.com/244-1/
Kernel patch commit
http://secunia.com/advisories/18216
Patch
Kernel patch commit
http://secunia.com/advisories/18527
Patch
Kernel patch commit
http://www.securityfocus.com/bid/16142
Patch

Details

CVE ID CVE-2005-4639

Severity Medium

CVSS score 4.6 / 10

CVSS version 2.0

Published 2005-12-31

Modified 2026-04-16

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2005-4639?

CVE-2005-4639 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 . CVE-2005-4639 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2005-4639?

CVE-2005-4639 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:P/A:P.
Is there a patch available for CVE-2005-4639?

No patch is currently available for CVE-2005-4639. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2005-4639 actively exploited?

No — CVE-2005-4639 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.