What is CVE-2022-40540?

CVE-2022-40540 is a high-severity vulnerability in Qualcomm Sd888 5g, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2023-03-10.

How severe is CVE-2022-40540?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Qualcomm Sd888 5g

CVE-2022-40540

Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Qualcomm Sd888_5g
Qualcomm Sd888_5g_firmware
Qualcomm Sd_8_gen1_5g_firmware
Qualcomm Sm8475
Qualcomm Sw5100
Qualcomm Sw5100_firmware
Qualcomm Sw5100p
Qualcomm Sw5100p_firmware
Qualcomm Wcd9380
Qualcomm Wcd9380_firmware

Weakness classification (CWE)

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

References

product-security@qualcomm.com (Patch, Vendor Advisory)
product-security@qualcomm.com
product-security@qualcomm.com

Frequently asked questions

What is CVE-2022-40540?: CVE-2022-40540 is a high-severity vulnerability in Qualcomm Sd888 5g, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2023-03-10.
How severe is CVE-2022-40540?: High severity. CVSS v3 base score is 8.4 out of 10.