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23 April 2020

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • High 7.1
    CVE-2019-15794 Public exploit

    Reference counting error in overlayfs/shiftfs error path when used in conjuction with aufs

    Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma->vm_file in their mmap handlers. On error the original value is not restored, and the reference is put for t…

    Ubuntu Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Medium 6.5
    CVE-2019-15793 Public exploit

    Mishandling of file-system uid/gid with namespaces in shiftfs

    In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, several locations which shift ids translate user/group ids before performing operations in the lower filesystem were translating them into init_user_ns, whe…

    Ubuntu Shiftfs in the Linux kernel linux-raspi2 linux-riscv Linux Ubuntu
  • 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
  • Unscored —
    CVE-2020-12112 Public exploit

    BigBlueButton before 2.2.5 allows remote attackers to obtain sensitive files via Local File Inclusion.

  • Unscored —
    CVE-2020-12077 Public exploit

    The mappress-google-maps-for-wordpress plugin before 2.53.9 for WordPress does not correctly implement AJAX functions w…

    Web / CMS