CVE-2023-5215
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Redhat Libnbd
PublishedSep 28, 2023
First seenSep 28, 2023
Weakness typeCWE-241CWE-241
How to fix
Update
- redhat libnbd1.18.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat libnbd | v < 1.18.0 | 1.18.0 |
| redhat enterprise_linux | 8.0, 9.0 | — |
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