PT-2021-3570

CVE-2021-29628

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Published

2021-05-26

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Updated

2022-05-16

Description by

CVSS 2.0
7.8
High
MetricsAV:N/AC:L/Au:N/C:N/I:C/A:N
Name of the Vulnerable Software and Affected Versions FreeBSD versions 12.2-STABLE before r369857 FreeBSD versions 12.2-RELEASE before p7 FreeBSD versions 13.0-STABLE before n245764-876ffe28796c FreeBSD versions 13.0-RELEASE before p1
Description The issue is related to weaknesses in the authorization mechanism of the FreeBSD operating system kernel. It may allow a remote attacker to disable SMAP protection during a system call, potentially affecting the integrity of protected information. This weakness could be combined with other kernel bugs to craft an exploit.
Recommendations For FreeBSD versions 12.2-STABLE before r369857, update to a version after r369857 to resolve the issue. For FreeBSD versions 12.2-RELEASE before p7, update to a version after p7 to resolve the issue. For FreeBSD versions 13.0-STABLE before n245764-876ffe28796c, update to a version after n245764-876ffe28796c to resolve the issue. For FreeBSD versions 13.0-RELEASE before p1, update to a version after p1 to resolve the issue.
Exploitability
Exploit
Fix
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