Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.17.2

Description The issue is related to a possible overflow on the first minor variable in the nbd dev add() function. This problem was introduced in version v4.11 and is fixed in version v5.17.2. The actual impact and attack plausibility have not yet been proven.

Recommendations For Linux Kernel versions prior to v5.17.2, update to version v5.17.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the nbd dev add() function until a patch is available.