CVE-2026-49424EPSS p3.7%
CVE-2026-49424CVE-2026-49424
freebsd / freebsd
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.
Scoring
| CVSS | 5.5 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.15% probability of exploitation · percentile 3.7% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-31 |