CVEvulnerability
CVE-2021-29628
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-863
Description
In FreeBSD 13.0-STABLE before n245764-876ffe28796c, 12.2-STABLE before r369857, 13.0-RELEASE before p1, and 12.2-RELEASE before p7, a system call triggering a fault could cause SMAP protections to be disabled for the duration of the system call. This weakness could be combined with other kernel bugs to craft an exploit.
Affected configurations
• freebsd freebsd 12.2
• freebsd freebsd 13.0
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc Exploit, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210713-0002/ Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc Exploit, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210713-0002/ Third Party Advisory