Description
Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local users to overwrite certain memory addresses with kernel memory via a large n argument, as demonstrated by (1) modifying the iseve function to gain privileges and (2) making the devpermcheck function grant unrestricted device permissions.
Published: 2007-03-02
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2007-1186 Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local users to overwrite certain memory addresses with kernel memory via a large n argument, as demonstrated by (1) modifying the iseve function to gain privileges and (2) making the devpermcheck function grant unrestricted device permissions.
History

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Bell Labs Plan 9
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T12:50:34.399Z

Reserved: 2007-03-02T00:00:00.000Z

Link: CVE-2007-1189

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2007-03-02T21:18:00.000

Modified: 2026-04-23T00:35:47.467

Link: CVE-2007-1189

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses