What’s Vulnerable › Vulnerabilities

CVE-2022-48927: iio: adc: tsc2046: fix memory corruption by preventing array overflow

• 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: 2024-08-22 · updated 2026-08-04
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: iio: adc: tsc2046: fix memory corruption by preventing array overflow On one side we have indio_dev->num_channels includes all physical channels + timestamp channel. On other side we have an array allocated only for physical channels. So, fix memory corruption by ARRAY_SIZE() instead of num_channels variable. Note the first case is a cleanup rather than a fix as the software timestamp channel bit in active_scanmask is never set by the IIO core.

Affected products

• Linux kernel: from 5.14 before 5.15.26; from 5.16 before 5.16.12 — fixed in 5.15.26, 5.16.12

How to fix

Upgrade to a fixed version: Linux kernel 5.15.26, 5.16.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/082d2c047b0d305bb0b6e9f9d671a09470e2db2d
• https://git.kernel.org/stable/c/0cb9b2f73c182d242a640e512f4785c7c504512f
• https://git.kernel.org/stable/c/b7a78a8adaa8849c02f174d707aead0f85dca0da

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