cbcvebase.
CVE-2023-5215
published 2023-09-28

CVE-2023-5215: 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…

medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
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

12 ranges
VendorProductVersion rangeFixed in
debianlibnbd< libnbd 1.16.5-1 (forky)libnbd 1.16.5-1 (forky)
msrcazl3_libnbd_1.12.1-3_on_azure_linux_3.0
msrcazure_linux_3.0_arm
msrcazure_linux_3.0_x64
msrccbl2_libnbd_1.12.1-3_on_cbl_mariner_2.0
msrccbl_mariner_2.0_arm
msrccbl_mariner_2.0_x64
redhatenterprise_linux
redhatenterprise_linux
redhatlibnbd< 1.18.01.18.0
redhatlibnbd>= 0 < 1.16.5-11.16.5-1
redhatlibnbd>= 0 < 1.16.5-11.16.5-1

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv6.5MEDIUM