CVE-2021-29628

HIGH
7.5
CVSS Score
Published: May 28, 2021 at 02:06 PM UTC
Updated: June 17, 2026 at 03:48 AM UTC
1 product affected across 1 vendorFreeBSD

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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