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CVE-2025-21455 Details
Description
Memory corruption while submitting blob data to kernel space though IOCTL.
A memory corruption vulnerability has been identified in various chipsets of Qualcomm Snapdragon products. This issue arises from a time-of-check time-of-use (TOCTOU) race condition, where blob data is submitted to kernel space via an IOCTL command, leading to memory corruption. The vulnerability is present in the Camera_Linux driver and affects chipsets such as Snapdragon 8 Gen 1, Snapdragon 865 5G, and several others.
Qualcomm has released patches for this vulnerability. Instructions for applying the patch can be found in the Qualcomm August 2025 Security Bulletin.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 7, 2025Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-367 | Time-of-check Time-of-use (TOCTOU) Race Condition | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| qualcomm fastconnect 6800 firmware | All versions |
CPE
Remediation
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| qualcomm fastconnect 6800 | All versions |
CPE
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| qualcomm fastconnect 6900 firmware | All versions |
CPE
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| qualcomm fastconnect 6900 | All versions |
CPE
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| qualcomm fastconnect 7800 firmware | All versions |
CPE
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| qualcomm fastconnect 7800 | All versions |
CPE
Remediation
| |
| qualcomm qca6391 firmware | All versions |
CPE
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| qualcomm qca6391 | All versions |
CPE
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| qualcomm qca6426 firmware | All versions |
CPE
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| qualcomm qca6426 | All versions |
CPE
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| qualcomm qca6436 firmware | All versions |
CPE
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| qualcomm qca6436 | All versions |
CPE
Remediation
| |
| qualcomm qsm8250 firmware | All versions |
CPE
Remediation
| |
| qualcomm qsm8250 | All versions |
CPE
Remediation
| |
| qualcomm sd865 5g firmware | All versions |
CPE
Remediation
| |
| qualcomm sd865 5g | All versions |
CPE
Remediation
| |
| qualcomm sdx55 firmware | All versions |
CPE
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| |
| qualcomm sdx55 | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 8 gen 1 mobile platform firmware | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 8 gen 1 mobile platform | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 865 5g mobile platform firmware | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 865 5g mobile platform | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 865+ 5g mobile platform (sm8250-ab) firmware | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 865+ 5g mobile platform (sm8250-ab) | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 870 5g mobile platform (sm8250-ac) firmware | All versions |
CPE
Remediation
| |
| qualcomm snapdragon 870 5g mobile platform (sm8250-ac) | All versions |
CPE
Remediation
| |
| qualcomm snapdragon x55 5g modem-rf system firmware | All versions |
CPE
Remediation
| |
| qualcomm snapdragon x55 5g modem-rf system | All versions |
CPE
Remediation
| |
| qualcomm snapdragon xr2 5g platform firmware | All versions |
CPE
Remediation
| |
| qualcomm snapdragon xr2 5g platform | All versions |
CPE
Remediation
| |
| qualcomm sw5100 firmware | All versions |
CPE
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| |
| qualcomm sw5100 | All versions |
CPE
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| qualcomm sw5100p firmware | All versions |
CPE
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| qualcomm sw5100p | All versions |
CPE
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| qualcomm sxr2130 firmware | All versions |
CPE
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| qualcomm sxr2130 | All versions |
CPE
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| qualcomm sxr2230p firmware | All versions |
CPE
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| qualcomm sxr2230p | All versions |
CPE
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| qualcomm sxr2250p firmware | All versions |
CPE
Remediation
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| qualcomm sxr2250p | All versions |
CPE
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| |
| qualcomm wcd9380 firmware | All versions |
CPE
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| qualcomm wcd9380 | All versions |
CPE
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| qualcomm wcd9385 firmware | All versions |
CPE
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| qualcomm wcd9385 | All versions |
CPE
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| qualcomm wcn3980 firmware | All versions |
CPE
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| qualcomm wcn3980 | All versions |
CPE
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| qualcomm wcn3988 firmware | All versions |
CPE
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| qualcomm wcn3988 | All versions |
CPE
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| qualcomm wsa8810 firmware | All versions |
CPE
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| qualcomm wsa8810 | All versions |
CPE
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| qualcomm wsa8815 firmware | All versions |
CPE
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| qualcomm wsa8815 | All versions |
CPE
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| qualcomm wsa8830 firmware | All versions |
CPE
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| qualcomm wsa8830 | All versions |
CPE
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| |
| qualcomm wsa8832 firmware | All versions |
CPE
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| qualcomm wsa8832 | All versions |
CPE
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| |
| qualcomm wsa8835 firmware | All versions |
CPE
Remediation
| |
| qualcomm wsa8835 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Aug 20, 2025 | Initial Analysis | [email protected] |
| Aug 6, 2025 | New CVE Received | [email protected] |