Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2021-29628 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc CVEExploitVendor Advisory
https://security.netapp.com/advisory/ntap-20210713-0002/ CVEThird Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc [email protected]ExploitVendor Advisory
https://security.netapp.com/advisory/ntap-20210713-0002/ [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect Authorization[email protected]

Affected Products

ProductVersions
freebsd freebsd
12.2 -
12.2 beta1-p1
12.2 p1
12.2 p2
12.2 p3

CPE

  • cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:beta1-p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p6:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.0:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.0:beta3-p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.0:rc4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.0:rc5-p1:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-29628
NVD Published Date:
May 28, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-29628 Details - Not Deferred