CVE-2009-3624

MediumCVSS 4.6/10Last modified Jun 16, 2026

Description

The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.

Metrics

CVSS 2.0 4.6/10AV:L/AC:L/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-310

Affected software

No affected versions have been published.

Timeline

Published
Nov 2, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-3624: Medium severity, CVSS 4.6 | Vulnix