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CVE-2019-15791 In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series,…

Description

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfs_btrfs_ioctl_fd_replace() installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, which then puts a reference to that file, leading to a refcount underflow.

Produits et versions touchés

Produit Versions touchées Corrigé en
Shiftfs in the Linux kernel 5.3 5.3.0-11.12 → dernières Pas de correctif indiqué
Shiftfs in the Linux kernel 5.0 premières → < 5.0.0-35.38 5.0.0-35.38

Références

Chronologie

  1. Publiée
  2. Dernière modification

Autres CVE de Shiftfs in the Linux kernel

Les 3 CVE de Shiftfs in the Linux kernel →
CVE-2019-15792 In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series,… 7.1 Élevée CVE-2019-15793 In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, several locations… 6.5 Moyenne
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