CVE-2005-2098
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…
Does this matter?
Lower severity and a low EPSS score (3.20%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 3.20% probability · 87th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- http://secunia.com/advisories/16355/Patch, Vendor Advisory
- 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/
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- http://secunia.com/advisories/16355/Patch, Vendor Advisory
- 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/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.