What is CVE-2022-29223?

CVE-2022-29223 is a high-severity vulnerability in Azure-rtos Usbx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-05-24.

How severe is CVE-2022-29223?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-29223 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Azure-rtos Usbx

CVE-2022-29223

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack. In versions prior to 6.1.10, an attacker can cause a buffer overflow by providing the Azure RTOS USBX host stack a HUB descriptor with `bNbPorts` set to a value gre…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (58.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Azure-rtos Usbx — versions < 6.1.10

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

github.com/azure-rtos/usbx/security/advisories/GHSA-2qc5-385m-x862 (x_refsource_CONFIRM)
github.com/azure-rtos/usbx/releases/tag/v6.1.10_rel (x_refsource_MISC)

Frequently asked questions

What is CVE-2022-29223?: CVE-2022-29223 is a high-severity vulnerability in Azure-rtos Usbx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-05-24.
How severe is CVE-2022-29223?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-29223 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.