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redhat/libnbdLibnbd: crash or misbehaviour when nbd server returns an unexpected block size

Risk 86
Severity
9.8
AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

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 nbdgetsize() function correctly.

1 / 2
Source: NVD
First published (updated )
CVE-2023-5215

redhat/libnbdA flaw was found in libnbd. An assertion failure in in nbd_unlocked_opt_go in ilb/opt.c may lead to …

Risk 22
Severity
4
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

A flaw was found in libnbd 1.7.3. An assertion failure in nbdunlockedoptgo in ilb/opt.c may lead to denial of service.

1 / 2
Source: MITRE
First published (updated )
CVE-2021-20286

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