CVE-2005-2098

Medium

The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before 2.6.12.5 contains an error path that does not properly release the session management semaphore, which allows local users or remote attackers to cause a denial of service (semaphore hang) via a new session keyring (1) with an empty name string, (2) with a long name string, (3) with the key quota reached, or (4) ENOMEM.

Package Linux Kernel
Published 2005-08-23
Last modified 2026-04-16
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

5.0

out of 10
Medium
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:P

References

The following references provide additional information about CVE-2005-2098 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2005-2098?

    CVE-2005-2098 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10 . CVE-2005-2098 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2005-2098?

    CVE-2005-2098 has a CVSS score of 5.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:P .

  • Is there a patch available for CVE-2005-2098?

    No patch is currently available for CVE-2005-2098. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2005-2098 actively exploited?

    No — CVE-2005-2098 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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