Vulnerability in Linux Kernel
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 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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.032 (87.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.0, 2.6.1, 2.6.2
References
- usn.ubuntu.com/169-1/ (vendor-advisory)
- www.securityfocus.com/bid/14521 (vdb-entry)
- www.mandriva.com/security/advisories (vendor-advisory)
- secunia.com/advisories/17073 (third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9638 (signature, vdb-entry)
- www.redhat.com/support/errata/RHSA-2005-514.html (vendor-advisory)
- kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- www.securityfocus.com/archive/1/427980/100/0/threaded (vendor-advisory)
- secunia.com/advisories/16355/ (Patch, Vendor Advisory, third-party-advisory)