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CVE-2005-4639

14
FAUCET Score

CVE-2005-4639 describes a buffer overflow vulnerability in the CA-driver (dst_ca.c) of the TwinHan DST Frontend/Card within the Linux kernel, affecting versions 2.6.12 and earlier, up to 2.6.15. This flaw allows a local attacker to cause a denial of service (system crash) and potentially execute arbitrary code by overflowing an 8-byte array. The vulnerability has a CVSS score of 4.6, indicating a low severity with local access and low attack complexity, but with potential for partial impact to confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.12:rc1:*:*:*:*:*:*
2.6.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
2.6.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
2.6.12.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
2.6.12.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 71st percentile among its peer group of 3,050 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/18216
PatchVendor Advisory
secunia.com / advisories/18527
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/43323
usn.ubuntu.com / 244-1
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.15
mandriva.com / security/advisories
securityfocus.com / bid/16142
Patch
vupen.com / english/advisories/2006/0035