CVE-2023-5215
Libnbd: crash or misbehaviour when nbd server returns an unexpected block size
Summary
Libnbd: crash or misbehaviour when nbd server returns an unexpected block size
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2023-5215 libnbd
- Ubuntu UBUNTU-CVE-2023-5215 libnbd
References
- advisory access.redhat.com
- advisory access.redhat.com
- advisory github.com
- advisory nvd.nist.gov
- report bugzilla.redhat.com
- web access.redhat.com
- web listman.redhat.com