CVE-2024-38388 (GCVE-0-2024-38388)

Vulnerability from cvelistv5 – Published: 2024-06-21 10:18 – Updated: 2025-05-04 09:13
VLAI?
Title
ALSA: hda/cs_dsp_ctl: Use private_free for control cleanup
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/cs_dsp_ctl: Use private_free for control cleanup Use the control private_free callback to free the associated data block. This ensures that the memory won't leak, whatever way the control gets destroyed. The original implementation didn't actually remove the ALSA controls in hda_cs_dsp_control_remove(). It only freed the internal tracking structure. This meant it was possible to remove/unload the amp driver while leaving its ALSA controls still present in the soundcard. Obviously attempting to access them could cause segfaults or at least dereferencing stale pointers.
Severity ?
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3233b978af23f11b4ad4f7f11a9a64bd05702b1f , < 191dc1b2ff0fb35e7aff15a53224837637df8bff (git)
Affected: 3233b978af23f11b4ad4f7f11a9a64bd05702b1f , < 6e359be4975006ff72818e79dad8fe48293f2eb2 (git)
Affected: 3233b978af23f11b4ad4f7f11a9a64bd05702b1f , < 3291486af5636540980ea55bae985f3eaa5b0740 (git)
Affected: 3233b978af23f11b4ad4f7f11a9a64bd05702b1f , < 172811e3a557d8681a5e2d0f871dc04a2d17eb13 (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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Sightings

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  • 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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