FreeBSD

CVE-2021-29628

HIGH 7.5

En bref

Source: NVD
EPSS: EPSS 1.25 % · centile 69 (2026-10-31)
État: PUBLISHED
Publiée: 2021-05-28 14:06 UTC
Mise à jour: 2024-08-03 22:11 UTC
Attribuée par: freebsd
Statut NVD: Modified

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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.

Faiblesses (CWE)

CWE-863 — Autorisation incorrecte

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N	NVD · nvd@nist.gov (Primary)

Références européennes

ENISA EUVD · EUVD-2021-16104
GCVE · GCVE-0-2021-29628

Configurations affectées (CPE NVD)

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:*:*:*:*:*:*

Produits affectés

Produit	Versions
FreeBSD	affected FreeBSD 13.0-RELEASE before p1, 12.2-RELEASE before p7

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

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