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
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.17%

6.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
QualcommSd 8 Gen1 5g FirmwareAll versions
QualcommSd888 5g FirmwareAll versions
QualcommSw5100 FirmwareAll versions
QualcommSw5100p FirmwareAll versions
QualcommWcd9380 FirmwareAll versions
QualcommWcd9385 FirmwareAll versions
QualcommWcn3980 FirmwareAll versions
QualcommWcn3988 FirmwareAll versions
QualcommWcn6850 FirmwareAll versions
QualcommWcn6851 FirmwareAll versions
QualcommWcn6855 FirmwareAll versions
QualcommWcn6856 FirmwareAll versions
QualcommWcn7850 FirmwareAll versions
QualcommWcn7851 FirmwareAll versions
QualcommWsa8830 FirmwareAll versions
QualcommWsa8835 FirmwareAll versions

References

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.

Are you affected by CVE-2022-40540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST