What is CVE-2022-29246?

CVE-2022-29246 is a critical-severity vulnerability in Azure-rtos Usbx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-05-24.

How severe is CVE-2022-29246?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-29246 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-2022-29246

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack. Prior to version 6.1.11, he USBX DFU UPLOAD functionality may be utilized to introduce a buffer overflow resulting in overwrite of memory contents. In particular ca…

Vulnerability class: Buffer Overflow

EPSS: 0.024 (85.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Azure-rtos Usbx — versions < 6.1.11

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-hh5p-x584-j8hv (x_refsource_CONFIRM)
github.com/azure-rtos/usbx/blob/master/common/usbx_device_classes/src/ux_device… (x_refsource_MISC)
github.com/azure-rtos/usbx/releases/tag/v6.1.11_rel (x_refsource_MISC)

Frequently asked questions

What is CVE-2022-29246?: CVE-2022-29246 is a critical-severity vulnerability in Azure-rtos Usbx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-05-24.
How severe is CVE-2022-29246?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-29246 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.