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

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.

Timeline

  1. ID reserved

    By Linux

  2. · 1 day later

    Published

  3. · 24 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-48927, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.22% · top 88% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected 9374e8f5a38defe90bc65b2decf317c1c62d91dd – < 0cb9b2f73c182d242a640e512f4785c7c504512f
    • affected 9374e8f5a38defe90bc65b2decf317c1c62d91dd – < 082d2c047b0d305bb0b6e9f9d671a09470e2db2d
    • affected 9374e8f5a38defe90bc65b2decf317c1c62d91dd – < b7a78a8adaa8849c02f174d707aead0f85dca0da

  • Linux · Linux

    • affected 5.14
    • unaffected < 5.14
    • unaffected 5.15.26 – ≤ 5.15.*
    • unaffected 5.16.12 – ≤ 5.16.*
    • unaffected 5.17 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .