CVE-2021-29628

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2021-29628
  • Assigner
  • secteam@freebsd.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-28T15:15:08
  • Last Modified Date
  • 2022-05-16T20:55:20
Weakness Enumerations
CWE URL
CWE-863 http://cwe.mitre.org/data/definitions/863.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:beta1-p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:p4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:p5:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:p6:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:13.0:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:13.0:beta3-p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:13.0:rc4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:13.0:rc5-p1:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.asc Exploit Vendor Advisory
https://security.netapp.com/advisory/ntap-20210713-0002/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-29628
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29628
History
Created Old Value New Value Data Type Notes
2022-05-10 07:07:28 Added to TrackCVE
2022-12-05 03:14:21 2021-05-28T15:15Z 2021-05-28T15:15:08 CVE Published Date updated
2022-12-05 03:14:21 2022-05-16T20:55:20 CVE Modified Date updated
2022-12-05 03:14:21 Analyzed Vulnerability Status updated