CVE-2026-45250
Essential information
- Published
- 21/05/2026 09:16
- Modified
- 22/05/2026 02:16
- Author
- —
- Creator
- —
- CVSS
- 7.8 HIGH (v3.1)
- CISA KEV
- No
- CWE
- —
- CVSS vector
-
—
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H—
CVSS metrics
- Access vector
- —
- Access complexity
- —
- Authentication
- —
- Confidentiality impact
- —
- Integrity impact
- —
- Availability impact
- —
- Exploitability
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- LOCAL
- Attack complexity
- LOW
- Privileges required
- LOW
- User interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality impact
- HIGH
- Integrity impact
- HIGH
- Availability impact
- HIGH
- Exploit code maturity
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- —
- Attack complexity
- —
- Attack requirements
- —
- Privileges required
- —
- User interaction
- —
- Confidentiality (V)
- —
- Confidentiality (S)
- —
- Integrity (V)
- —
- Integrity (S)
- —
- Availability (V)
- —
- Availability (S)
- —
- Exploit maturity
- —
Description
The setcred(2) system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capacity of that buffer, a stack buffer overflow occurs.
Because the bounds check on the supplementary groups list occurs after the kernel stack buffer has already been written, an unprivileged local user may trigger the overflow without holding any special privilege. Successful exploitation may allow an attacker to execute arbitrary code in the context of the kernel, allowing an unprivileged local user to gain elevated privileges on the affected system.
NVD status
- Status
- Modified — CVE has been recently published to the CVE List and has been received by the NVD.
- Source
- [email protected]
- NVD
- View on NVD
Affected products (CPE)
| Product | CPE |
|---|---|
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:-:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p1:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p10:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p11:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p12:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p13:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p2:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p3:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p4:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p5:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p6:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p7:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p8:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.3:p9:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:14.4:rc1:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:-:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:* |
| freebsd / freebsd | cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:* |