Red Hat Bugzilla – Bug 1533909
CVE-2018-5344 kernel: drivers/block/loop.c mishandles lo_release serialization allowing denial-of-service
Last modified: 2018-08-28 18:32:00 EDT
A flaw was found in the Linux kernels handling of loopback devices where it mishandles the release (lo_release function) where an attacker who has permissions to setup loopback disks.
This may allow an attacker to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1533911]
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2.
Future Linux kernel updates for the respective releases may address this issue.