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.
| Type | CWE ID | Description |
|---|---|---|
| text | N/A | n/a |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
| Hyperlink | Resource |
|---|---|
| https://usn.ubuntu.com/169-1/ | vendor-advisory x_refsource_UBUNTU |
| http://www.securityfocus.com/bid/14521 | vdb-entry x_refsource_BID |
| http://www.mandriva.com/security/advisories?name=MDKSA-2005:220 | vendor-advisory x_refsource_MANDRAKE |
| http://secunia.com/advisories/17073 | third-party-advisory x_refsource_SECUNIA |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638 | vdb-entry signature x_refsource_OVAL |
| http://www.redhat.com/support/errata/RHSA-2005-514.html | vendor-advisory x_refsource_REDHAT |
| http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5 | x_refsource_CONFIRM |
| http://www.securityfocus.com/archive/1/427980/100/0/threaded | vendor-advisory x_refsource_FEDORA |
| http://secunia.com/advisories/16355/ | third-party-advisory x_refsource_SECUNIA |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
| Hyperlink | Resource |
|---|---|
| https://usn.ubuntu.com/169-1/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| http://www.securityfocus.com/bid/14521 | vdb-entry x_refsource_BID x_transferred |
| http://www.mandriva.com/security/advisories?name=MDKSA-2005:220 | vendor-advisory x_refsource_MANDRAKE x_transferred |
| http://secunia.com/advisories/17073 | third-party-advisory x_refsource_SECUNIA x_transferred |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638 | vdb-entry signature x_refsource_OVAL x_transferred |
| http://www.redhat.com/support/errata/RHSA-2005-514.html | vendor-advisory x_refsource_REDHAT x_transferred |
| http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5 | x_refsource_CONFIRM x_transferred |
| http://www.securityfocus.com/archive/1/427980/100/0/threaded | vendor-advisory x_refsource_FEDORA x_transferred |
| http://secunia.com/advisories/16355/ | third-party-advisory x_refsource_SECUNIA x_transferred |