What is GHSA-vv7x-5v76-w79j?

GHSA-vv7x-5v76-w79j is a security advisory published by GitHub Security Advisories with unknown severity. The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared...

Which CVE IDs does GHSA-vv7x-5v76-w79j cover?

GHSA-vv7x-5v76-w79j covers the following CVE IDs: CVE-2026-49424. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-vv7x-5v76-w79junknown

The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared...

Vendor

GitHub Security Advisories

Published

August 19, 2026

Last Modified

August 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-49424 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-49424
https://security.freebsd.org/advisories/FreeBSD-SA-26:47.linux.asc
https://github.com/advisories/GHSA-vv7x-5v76-w79j