CVE-2026-7270
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FreeBSD | FreeBSD | 15.0-RELEASE < p7 | affected |
| FreeBSD | FreeBSD | 14.4-RELEASE < p3 | affected |
| FreeBSD | FreeBSD | 14.3-RELEASE < p12 | affected |
| FreeBSD | FreeBSD | 13.5-RELEASE < p13 | affected |
Weaknesses
- CWE-783: CWE-783: Operator Precedence Logic Error
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
- https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd
- https://news.ycombinator.com/item?id=48077971
References
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