CVE-2006-6921: linux linux_kernel
Vulnerability summary
CVE-2006-6921 is a low (CVSS 2.1) vulnerability in linux linux_kernel. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 41.4% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 12-01-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Unspecified versions of the Linux kernel allow local users to cause a denial of service (unrecoverable zombie process) via a program with certain instructions that prevent init from properly reaping a child whose parent has died.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (uwsg.iu.edu)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel2.6.20.1
1 vendor · 1 product
References
9 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10834VDB EntrySignatureX Refsource OVAL
- support.avaya.com/elmodocs2/security/ASA-2007-474.htmX Refsource CONFIRM