Linux Distros Unpatched Vulnerability : CVE-2019-15791

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a...

CVE-2019-15793

CVE-2019-15793 concerns a shiftfs issue in Ubuntu’s patched Linux kernel (5.0/5.3). The bug translated user/group IDs to init_user_ns instead of the lower filesystem’s s_user_ns, risking bypass of discretionary access control. Consequence: local attacker could exploit the mis-translation to acces...

CVE-2019-15792 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, shiftfsbtrfsioctlfdreplace calls fdgetoldfd, then without further checks passes the resulting file into shiftfsrealfdget, which casts file-privatedata, a void that points to a filesystem-depende...