CVE-2025-37889 (GCVE-0-2025-37889)

Vulnerability from cvelistv5 – Published: 2025-05-09 06:45 – Updated: 2025-11-03 19:57
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Consistently treat platform_max as control value This reverts commit 9bdd10d57a88 ("ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min"), and makes some additional related updates. There are two ways the platform_max could be interpreted; the maximum register value, or the maximum value the control can be set to. The patch moved from treating the value as a control value to a register one. When the patch was applied it was technically correct as snd_soc_limit_volume() also used the register interpretation. However, even then most of the other usages treated platform_max as a control value, and snd_soc_limit_volume() has since been updated to also do so in commit fb9ad24485087 ("ASoC: ops: add correct range check for limiting volume"). That patch however, missed updating snd_soc_put_volsw() back to the control interpretation, and fixing snd_soc_info_volsw_range(). The control interpretation makes more sense as limiting is typically done from the machine driver, so it is appropriate to use the customer facing representation rather than the internal codec representation. Update all the code to consistently use this interpretation of platform_max. Finally, also add some comments to the soc_mixer_control struct to hopefully avoid further patches switching between the two approaches.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c11fc224e58e7972ffd05b8f25e9b1d6a0b8d562 , < c402f184a053c8e7ca325e50f04bbbc1e4fee019 (git)
Affected: a50562146d6c7650029a115c96ef9aaa7648c344 , < 694110bc2407a61f02a770cbb5f39b51e4ec77c6 (git)
Affected: 395e52b7a1ad01e1b51adb09854a0aa5347428de , < 544055329560d4b64fe204fc6be325ebc24c72ca (git)
Affected: fb9ad24485087e0f00d84bee7a5914640b2b9024 , < a46a9371f8b9a0eeff53a21e11ed3b65f52d9cf6 (git)
Affected: fb9ad24485087e0f00d84bee7a5914640b2b9024 , < 296c8295ae34045da0214882628d49c1c060dd8a (git)
Affected: fb9ad24485087e0f00d84bee7a5914640b2b9024 , < 0eba2a7e858907a746ba69cd002eb9eb4dbd7bf3 (git)
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    Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 5.15.180 , ≤ 5.15.* (semver)
Unaffected: 6.1.132 , ≤ 6.1.* (semver)
Unaffected: 6.6.84 , ≤ 6.6.* (semver)
Unaffected: 6.12.20 , ≤ 6.12.* (semver)
Unaffected: 6.13.8 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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