What’s Vulnerable › Vulnerabilities

CVE-2022-40540: Buffer copy without checking the size of input in Linux Kernel

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-10 · updated 2026-06-17
• Weakness: CWE-120

Description

Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.

Affected products

• Qualcomm Sd888 5G Firmware: all versions
• Qualcomm Sd 8 Gen1 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://bugzilla.suse.com/show_bug.cgi?id=1209597
• https://security.netapp.com/advisory/ntap-20230616-0001/
• https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletin
• https://bugzilla.suse.com/show_bug.cgi?id=1209597
• https://security.netapp.com/advisory/ntap-20230616-0001/
• https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletin

Get alerted when CVE-2022-40540 or the next vulnerability affects your stack