7.1

CVE-2026-49413

Flaw in Linuxulator execution of setugid binaries

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the P_SUGID process flag.  During execve(2), this flag is not yet set at the point where the auxiliary vector is constructed, so AT_SECURE was incorrectly set to zero for set-user-ID and set-group-ID executables.

An unprivileged local user can inject a shared library via LD_PRELOAD into a set-user-ID or set-group-ID Linux binary, gaining the privileges of that binary.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Freebsd ≫ Freebsd Version 14.3 Update -
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Freebsd ≫ Freebsd Version 14.3 Update p9
Freebsd ≫ Freebsd Version 14.4 Update -
Freebsd ≫ Freebsd Version 14.4 Update p1
Freebsd ≫ Freebsd Version 14.4 Update p2
Freebsd ≫ Freebsd Version 14.4 Update p3
Freebsd ≫ Freebsd Version 14.4 Update p4
Freebsd ≫ Freebsd Version 14.4 Update p5
Freebsd ≫ Freebsd Version 15.0 Update -
Freebsd ≫ Freebsd Version 15.0 Update p1
Freebsd ≫ Freebsd Version 15.0 Update p2
Freebsd ≫ Freebsd Version 15.0 Update p3
Freebsd ≫ Freebsd Version 15.0 Update p4
Freebsd ≫ Freebsd Version 15.0 Update p5
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Freebsd ≫ Freebsd Version 15.0 Update p7
Freebsd ≫ Freebsd Version 15.0 Update p8
Freebsd ≫ Freebsd Version 15.0 Update p9
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.047
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE-266 Incorrect Privilege Assignment

A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

https://security.freebsd.org/advisories/FreeBSD-SA-26:30.linux.asc
Vendor Advisory