SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-40540

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

HIGH 7.8EPSS 0.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.17% probability · 6th percentile
CISA KEV
Not listed
Weakness
CWE-120
Affected
qualcomm/sd 8 gen1 5g firmware · qualcomm/sd888 5g firmware · qualcomm/sw5100 firmware · qualcomm/sw5100p firmware · qualcomm/wcd9380 firmware · qualcomm/wcd9385 firmware · qualcomm/wcn3980 firmware · qualcomm/wcn3988 firmware · qualcomm/wcn6850 firmware · qualcomm/wcn6851 firmware · qualcomm/wcn6855 firmware · qualcomm/wcn6856 firmware · qualcomm/wcn7850 firmware · qualcomm/wcn7851 firmware · qualcomm/wsa8830 firmware · qualcomm/wsa8835 firmware
Source
product-security@qualcomm.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.