An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacent execve(2) argument buffers.

The bug may be exploitable by an unprivileged user to obtain superuser privileges.

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History

Thu, 30 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 30 Apr 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Freebsd
Freebsd freebsd
Vendors & Products Freebsd
Freebsd freebsd

Thu, 30 Apr 2026 07:15:00 +0000

Type Values Removed Values Added
Description An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacent execve(2) argument buffers. The bug may be exploitable by an unprivileged user to obtain superuser privileges.
Title Local privilege escalation via execve()
Weaknesses CWE-783
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2026-04-30T14:09:18.504Z

Reserved: 2026-04-28T05:26:31.296Z

Link: CVE-2026-7270

cve-icon Vulnrichment

Updated: 2026-04-30T13:07:51.669Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-30T07:16:41.710

Modified: 2026-04-30T15:16:23.380

Link: CVE-2026-7270

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-30T13:45:23Z

Weaknesses