← Voltar para CVEs

CVE-2026-3888

HIGH

7.8

Descricao

Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.

Detalhes CVE

Pontuacao CVSS v3.17.8

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado3/17/2026

Ultima modificacao3/18/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-268

Referencias

https://blog.qualys.com/vulnerabilities-threat-research/2026/03/17/cve-2026-3888-important-snap-flaw-enables-local-privilege-escalation-to-root(security@ubuntu.com)

https://cdn2.qualys.com/advisory/2026/03/17/snap-confine-systemd-tmpfiles.txt(security@ubuntu.com)

https://discourse.ubuntu.com/t/snapd-local-privilege-escalation-cve-2026-3888(security@ubuntu.com)

https://ubuntu.com/security/CVE-2026-3888(security@ubuntu.com)

https://ubuntu.com/security/notices/USN-8102-1(security@ubuntu.com)

http://www.openwall.com/lists/oss-security/2026/03/18/1(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.