A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesnt properly set an ERRNO value. This issue may lead to a NULL pointer access.
The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Grub2 | Ubuntu | esm-infra-legacy/trusty | * |
| Grub2-signed | Ubuntu | esm-infra-legacy/trusty | * |