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…
- 5.0MediumCVSS base score
- 3.2%Exploitation in 30 daysEPSS · top 12% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 53 days later
· 53 days later
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.2% · top 12% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
9
- USN-169-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 14521 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDKSA-2005:220 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- 17073 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:9638 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- RHSA-2005:514 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FLSA:157459-3 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 16355 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2005-2099 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-2098)Record last updated .