CVEvulnerability
CVE-2018-17155
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-09-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-200
Description
In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.
Affected configurations
• freebsd freebsd (< 11.2)
• freebsd freebsd 10.4
• freebsd freebsd 11.1
• freebsd freebsd 11.2
Related
Weakness · CWE (1)
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
References
- https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc Patch, Vendor Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc Patch, Vendor Advisory