Veille CVE

Semaine du 12 avril au 18 avril 2021

1 CVE

Critique 0 Élevée 1 Moyenne 0 Faible 0 Non évaluée 0 Exploitées (KEV) Tri : plus récentes
  1. CVE-2021-3493 7.8 Élevée Exploitée

    Ubuntu linux kernel · Canonical ubuntu linux

    The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow unprivileged overlay mounts, an attacker could use this to gain elevated privileges.