Veille CVE

Avril 2021

2 CVE

  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.

  2. CVE-2021-1789 8.8 Élevée Exploitée

    Apple iOS and iPadOS · Apple macOS · Apple ipados · Apple iphone os

    A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.