vulnerability
FreeBSD: VID-2830b374-debd-11ef-87ba-002590c1f29c (CVE-2025-0662): FreeBSD -- Uninitialized kernel memory disclosure via ktrace(2)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:M/C:C/I:N/A:N) | Jan 30, 2025 | Jan 31, 2025 | Dec 10, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:M/C:C/I:N/A:N)
Published
Jan 30, 2025
Added
Jan 31, 2025
Modified
Dec 10, 2025
Description
Problem Description: In some cases, the ktrace facility will log the contents of kernel structures to userspace. In one such case, ktrace dumps a variable-sized sockaddr to userspace. There, the full sockaddr is copied, even when it is shorter than the full size. This can result in up to 14 uninitialized bytes of kernel memory being copied out to userspace. Impact: It is possible for an unprivileged userspace program to leak 14 bytes of a kernel heap allocation to userspace.
Solution
freebsd-upgrade-base-14_2-release-p1
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