CVE-2023-1901

Medium

Description

The bluetooth HCI host layer logic not clearing a global reference to a semaphore after synchronously sending HCI commands may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash (DoS) or potential RCE on the Host layer.

SeverityMedium
CVSS5.9
Exploit probability—
ProductZephyr
PublishedJul 10, 2023
First seenJul 10, 2023
Weakness typeCWE-672CWE-672

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
zephyrproject zephyrv ≤ 3.3.0—

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