SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1968

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT,…

MEDIUM 5.5EPSS 0.17%

Does this matter?

Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.

Description

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.17% probability · 7th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
qualcomm/aqt1000 firmware · qualcomm/ar8031 firmware · qualcomm/ar8035 firmware · qualcomm/csra6620 firmware · qualcomm/csra6640 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/mdm9150 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6430 firmware · qualcomm/qca6574 firmware · qualcomm/qca6574a firmware · qualcomm/qca6574au firmware · qualcomm/qca6584au firmware · qualcomm/qca6595 firmware · qualcomm/qca6595au firmware · qualcomm/qca6696 firmware · qualcomm/qca8337 firmware · qualcomm/qcm6125 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.17%26 October 202626 October 2026

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.