NetSight
medium5.3

CVE-2023-5215

A flaw was found in libnbd.

Impact

A flaw was found in libnbd. A server can reply with a block size larger than 2^63 (the NBD spec states the size is a 64-bit unsigned value). This issue could lead to an application crash or other unintended behavior for NBD clients that doesn't treat the return value of the nbd_get_size() function correctly.

Affected products

VendorProductAffected versions
RedhatLibnbd
before 1.18.0
RedhatEnterprise Linux
Versions 8.0, 9.0

Weakness classification

References