CVE-2005-2098

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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 3.01% Top 15%

Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory securityfocus.com Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
https://usn.ubuntu.com/169-1/	vendor advisory
http://www.securityfocus.com/bid/14521	vdb entry
http://www.mandriva.com/security/advisories?name=MDKSA-2005:220	vendor advisory
http://secunia.com/advisories/17073	third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638	vdb entry signature
http://www.redhat.com/support/errata/RHSA-2005-514.html	vendor advisory
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
http://www.securityfocus.com/archive/1/427980/100/0/threaded	vendor advisory
http://secunia.com/advisories/16355/	third party advisory patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2005-2098?: CVE-2005-2098 has been scored as a medium severity vulnerability.
How to fix CVE-2005-2098?: To fix CVE-2005-2098, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2005-2098 being actively exploited in the wild?: It is possible that CVE-2005-2098 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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