SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1974

Possible buffer over read due to lack of alignment between map or unmap length of IPA SMMU and WLAN SMMU in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon…

HIGH 7.5EPSS 0.59%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Possible buffer over read due to lack of alignment between map or unmap length of IPA SMMU and WLAN SMMU in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.59% probability · 46th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
qualcomm/aqt1000 firmware · qualcomm/ar8035 firmware · qualcomm/ar9380 firmware · qualcomm/csr8811 firmware · qualcomm/csrb31024 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/ipq4018 firmware · qualcomm/ipq4019 firmware · qualcomm/ipq4028 firmware · qualcomm/ipq4029 firmware · qualcomm/ipq5010 firmware · qualcomm/ipq5018 firmware · qualcomm/ipq6000 firmware · qualcomm/ipq6010 firmware · qualcomm/ipq6018 firmware · qualcomm/ipq6028 firmware · qualcomm/ipq8064 firmware · qualcomm/ipq8065 firmware · qualcomm/ipq8068 firmware · +40 more
Source
product-security@qualcomm.com

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