CVE-2022-40540
HIGHCVSS 7.8/10EPSS 0.17%
Last modified
CVE-2022-40540 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm | Sd 8 Gen1 5g Firmware | All versions |
| Qualcomm | Sd888 5g Firmware | All versions |
| Qualcomm | Sw5100 Firmware | All versions |
| Qualcomm | Sw5100p Firmware | All versions |
| Qualcomm | Wcd9380 Firmware | All versions |
| Qualcomm | Wcd9385 Firmware | All versions |
| Qualcomm | Wcn3980 Firmware | All versions |
| Qualcomm | Wcn3988 Firmware | All versions |
| Qualcomm | Wcn6850 Firmware | All versions |
| Qualcomm | Wcn6851 Firmware | All versions |
| Qualcomm | Wcn6855 Firmware | All versions |
| Qualcomm | Wcn6856 Firmware | All versions |
| Qualcomm | Wcn7850 Firmware | All versions |
| Qualcomm | Wcn7851 Firmware | All versions |
| Qualcomm | Wsa8830 Firmware | All versions |
| Qualcomm | Wsa8835 Firmware | All versions |
References
- https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletinPatch, Vendor Advisory
- https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletinPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-40540?
Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.
How severe is CVE-2022-40540?
CVE-2022-40540 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2022-40540?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-40540?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST