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Review reviewHigh

CVE-2022-48717

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: ASoC: max9759: fix underflow in speaker_gain_control_put() Check for negative values of "priv->gain" to prevent an out of bounds access. The concern is that these might come from the user via: -> snd_ctl_elem_write_user() -> snd_ctl_elem_write() -> kctl->put()

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.06.20
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ASoC: max9759: fix underflow in speaker_gain_control_put() Check for negative values of "priv->gain" to prevent an out of bounds access. The concern is that these might come from the user via: -> snd_ctl_elem_write_user() -> snd_ctl_elem_write() -> kctl->put()

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= fa8d915172b8c10ec0734c4021e99e9705023b07 < a0f49d12547d45ea8b0f356a96632dd503941c1e, >= fa8d915172b8c10ec0734c4021e99e9705023b07 < 71e60c170105d153e34d01766c1e4db26a4b24cc, >= fa8d915172b8c10ec0734c4021e99e9705023b07 < 5a45448ac95b715173edb1cd090ff24b6586d921, >= fa8d915172b8c10ec0734c4021e99e9705023b07 < baead410e5db49e962a67fffc17ac30e44b50b7c, >= fa8d915172b8c10ec0734c4021e99e9705023b07 < f114fd6165dfb52520755cc4d1c1dfbd447b88b6, >= fa8d915172b8c10ec0734c4021e99e9705023b07 < 4c907bcd9dcd233da6707059d777ab389dcbd964, >= 4.17, >= 4.17 < 4.19.228, >= 4.20 < 5.4.178, >= 5.5 < 5.10.99, >= 5.11 < 5.15.22, >= 5.16 < 5.16.8, 5.17
Fixed versions
4.19.228, 5.4.178, 5.10.99, 5.15.22, 5.16.8

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787