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.
References
| Link | Resource |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-SA-26:47.linux.asc | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
27 Oct 2026, 12:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary |
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Information
Published : 2026-08-19 08:17
Updated : 2026-10-27 12:10
NVD link : CVE-2026-49424
Mitre link : CVE-2026-49424
CVE.ORG link : CVE-2026-49424
JSON object : View
Products Affected
freebsd
- freebsd
CWE
CWE-908
Use of Uninitialized Resource
