SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-21436

Memory corruption may occur while initiating two IOCTL calls simultaneously to create processes from two different threads.

HIGH 7.8EPSS 0.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory corruption may occur while initiating two IOCTL calls simultaneously to create processes from two different threads.

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
0.11% probability · 1th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
qualcomm/fastconnect 7800 firmware · qualcomm/qmp1000 firmware · qualcomm/sm8735 firmware · qualcomm/sm8750 firmware · qualcomm/sm8750p firmware · qualcomm/snapdragon 8 gen 3 mobile platform firmware · qualcomm/snapdragon w5\+ gen 1 wearable platform firmware · qualcomm/sw5100 firmware · qualcomm/sw5100p firmware · qualcomm/sxr2330p firmware · qualcomm/wcd9378 firmware · qualcomm/wcd9380 firmware · qualcomm/wcd9390 firmware · qualcomm/wcd9395 firmware · qualcomm/wcn7750 firmware · qualcomm/wcn7860 firmware · qualcomm/wcn7861 firmware · qualcomm/wcn7880 firmware · qualcomm/wcn7881 firmware · qualcomm/wsa8830 firmware · +5 more
Source
product-security@qualcomm.com

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