{"id":"CVE-2021-29628","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-29628","generatedAt":"2026-10-28T06:48:45.360Z","title":"This weakness could be combined with other kernel bugs to craft an exploit.","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.","published":"2021-05-28T15:15:09.000Z","lastModified":"2026-06-17T03:48:03.000Z","status":"Modified","sourceIdentifier":"secteam@freebsd.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-863"],"affected":["freebsd/freebsd"],"epss":{"score":0.01249,"percentile":0.69227,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc","tags":["Exploit","Vendor Advisory"],"source":"secteam@freebsd.org"},{"url":"https://security.netapp.com/advisory/ntap-20210713-0002/","tags":["Third Party Advisory"],"source":"secteam@freebsd.org"},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210713-0002/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-29628","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}