CVE-2005-2098

MEDIUM

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.

References

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5

http://secunia.com/advisories/16355/

http://secunia.com/advisories/17073

http://www.mandriva.com/security/advisories?name=MDKSA-2005:220

http://www.redhat.com/support/errata/RHSA-2005-514.html

http://www.securityfocus.com/archive/1/427980/100/0/threaded

http://www.securityfocus.com/bid/14521

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638

https://usn.ubuntu.com/169-1/

Details

Source: MITRE

Published: 2005-08-23

Updated: 2018-10-19

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM