CVE-2023-5215

Summary

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 Software

VendorProductVersion RangeStatus
Red HatRed Hat Enterprise Linux 90:1.18.1-3.el9 < *unaffected

Weaknesses

  • CWE-241: Improper Handling of Unexpected Data Type

ADP Enrichment

CVE Program Container

Additional References

References