CVE Vulnerability

CVE-2021-29628

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1

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

Published : 2021-05-28 03:15

Updated : 2022-05-16 08:55

NVD link : CVE-2021-29628

Mitre link : CVE-2021-29628

Products Affected
No products.
CWE
CWE-863