CVEvulnerability
CVE-2026-49424
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-19
- Last modified
- 2026-10-27
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-908
Description
The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared Linux siginfo_t. It did not first zero the stack struct.
An unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information.
Affected configurations
• freebsd freebsd 14.3
• freebsd freebsd 14.4
• freebsd freebsd 15.0
Related
Weakness · CWE (1)
- CWE-908 Use of Uninitialized Resource weakness