Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2005-2098

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/08/2005
Last modified:
03/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test10:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test11:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test8:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test9:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools