kbrain

CVE-2007-1189

HIGH · CVSS 7.2EPSS 0.8%EU EUVD

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.

Key facts

CVSS score
7.2 (v2.0)
Severity
HIGH
CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS score
0.8% (57th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-1186)
Published
March 2, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-1186 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • bell labs / plan 9

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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