What is CVE-2006-3634?

CVE-2006-3634 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2006-3634 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2006-3634?

CVE-2006-3634 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2006-3634?

No patch is currently available for CVE-2006-3634. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2006-3634 actively exploited?

CVE-2006-3634 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2006-3634

Medium

The (1) __futex_atomic_op and (2) futex_atomic_cmpxchg_inatomic functions in Linux kernel 2.6.17-rc4 to 2.6.18-rc2 perform the atomic futex operation in the kernel address space instead of the user address space, which allows local users to cause a denial of service (crash).

Package Linux Kernel

Published 2006-08-04

Last modified 2026-04-16

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

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

References

The following references provide additional information about CVE-2006-3634 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Details

CVE ID CVE-2006-3634

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2006-08-04

Modified 2026-04-16

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2006-3634?

CVE-2006-3634 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2006-3634 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2006-3634?

CVE-2006-3634 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2006-3634?

No patch is currently available for CVE-2006-3634. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2006-3634 actively exploited?

No — CVE-2006-3634 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.