CVE-2025-21455: Time-of-check Time-of-use (TOCTOU) Race Condition in Camera_Linux
Published Aug 6, 2025
·Updated
Memory corruption while submitting blob data to kernel space though IOCTL.
Affected Software
58 affected components
All of the following
Qualcomm Fastconnect 6800 Firmware
Qualcomm Fastconnect 6800
All of the following
Qualcomm Fastconnect 6900 Firmware
Qualcomm Fastconnect 6900
All of the following
Qualcomm Fastconnect 7800 Firmware
Qualcomm Fastconnect 7800
All of the following
Qualcomm Qca6391 Firmware
Qualcomm Qca6391
All of the following
Qualcomm Qca6426 Firmware
Qualcomm Qca6426
All of the following
Qualcomm Qca6436 Firmware
Qualcomm Qca6436
All of the following
Qualcomm Qsm8250 Firmware
Qualcomm Qsm8250
All of the following
Qualcomm Sd865 5g Firmware
Qualcomm Sd865 5g
All of the following
Qualcomm Sdx55 Firmware
Qualcomm Sdx55
All of the following
Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmware
Qualcomm Snapdragon 8 Gen 1 Mobile Platform
All of the following
Qualcomm Snapdragon 865 5g Mobile Platform Firmware
Qualcomm Snapdragon 865 5g Mobile Platform
All of the following
Qualcomm Snapdragon 865\+ 5g Mobile Platform \(sm8250-ab\) Firmware
Qualcomm Snapdragon 865\+ 5g Mobile Platform \(sm8250-ab\)
All of the following
Qualcomm Snapdragon 870 5g Mobile Platform \(sm8250-ac\) Firmware
Qualcomm Snapdragon 870 5g Mobile Platform \(sm8250-ac\)
All of the following
Qualcomm Snapdragon X55 5g Modem-rf System Firmware
Qualcomm Snapdragon X55 5g Modem-rf System
All of the following
Qualcomm Snapdragon Xr2 5g Platform Firmware
Qualcomm Snapdragon Xr2 5g Platform
All of the following
Qualcomm Sw5100 Firmware
Qualcomm Sw5100
All of the following
Qualcomm Sw5100p Firmware
Qualcomm Sw5100p
All of the following
Qualcomm Sxr2130 Firmware
Qualcomm Sxr2130
All of the following
Qualcomm Sxr2230p Firmware
Qualcomm Sxr2230p
All of the following
Qualcomm Sxr2250p Firmware
Qualcomm Sxr2250p
All of the following
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
All of the following
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
All of the following
Qualcomm Wcn3980 Firmware
Qualcomm Wcn3980
All of the following
Qualcomm Wcn3988 Firmware
Qualcomm Wcn3988
All of the following
Qualcomm Wsa8810 Firmware
Qualcomm Wsa8810
All of the following
Qualcomm Wsa8815 Firmware
Qualcomm Wsa8815
All of the following
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
All of the following
Qualcomm Wsa8832 Firmware
Qualcomm Wsa8832
All of the following
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
Event History
Aug 6, 2025
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-21455?
CVE-2025-21455 has a severity rating that could allow memory corruption affecting the kernel.
2
How do I fix CVE-2025-21455?
To fix CVE-2025-21455, update your Qualcomm Fastconnect firmware as recommended by the vendor.
3
Which systems are affected by CVE-2025-21455?
CVE-2025-21455 affects several Qualcomm firmware including Fastconnect 6800, 6900, and 7800.
4
What type of vulnerability is CVE-2025-21455?
CVE-2025-21455 is classified as a memory corruption vulnerability.
5
Is there a workaround for CVE-2025-21455?
Currently, there are no known workarounds for CVE-2025-21455; updating firmware is the primary solution.