CVE-2026-7867: falha de alta gravidade em udisks
Udisks2: udisks2: local privilege escalation via as-user option spoofing
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41Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 7.8epss 0.2%
da publicação à armano mesmo dia
Publicada no NVD6 de ago.
1ª PoC8 de mai.
A flaw was found in udisks2. A local attacker with an active console session can exploit insufficient authorization checking on the 'as-user' option in the org.freedesktop.UDisks2.Filesystem.Mount() D-Bus method. This allows the attacker to spoof the 'as-user' parameter, mounting filesystems on behalf of arbitrary users, including privileged accounts. This can lead to local privilege escalation through mount point injection and manipulation of the mount namespace visible to privileged users.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
udisksRed Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9PoCs públicas encontradas — 1
githubgithub.com/azqzazq1/CVE-2026-7867-disk2root★ 1⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Referências
https://access.redhat.com/errata/RHSA-2026:53435https://access.redhat.com/errata/RHSA-2026:64798https://access.redhat.com/security/cve/CVE-2026-7867https://bugzilla.redhat.com/show_bug.cgi?id=2466747https://github.com/storaged-project/udisks/releases/tag/udisks-2.11.2https://github.com/storaged-project/udisks/security/advisories/GHSA-j42g-v9jw-6ph3