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Product · Ubuntu

Shiftfs in the Linux kernel

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.1
    CVE-2019-15792 Public exploit

    Type confusion in shiftfs

    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() calls fdget(oldfd), then without further checks passes the resulting file* into shiftfs_real_fdget(), which casts file->pri…

    Ubuntu Shiftfs in the Linux kernel linux-raspi2 linux-riscv Linux Ubuntu
  • High 7.1
    CVE-2019-15791 Public exploit

    Reference count underflow in shiftfs

    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 …

    Ubuntu Shiftfs in the Linux kernel linux-raspi2 linux-riscv Linux Ubuntu