Improper Handling of Unexpected Data Type Affecting virt:av/nbdfuse package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-5924237
  • published28 Sept 2023
  • disclosed21 Sept 2023

Introduced: 21 Sep 2023

CVE-2023-5215  (opens in a new tab)
CWE-241  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 virt:av/nbdfuse.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:av/nbdfuse package and not the virt:av/nbdfuse package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1