ASoC: SOF: Intel: hda: Fix NULL pointer dereference

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Summary

CVECVE-2026-43137
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:31 UTC
Updated2026-05-12 21:15:52 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: Fix NULL pointer dereference If there's a mismatch between the DAI links in the machine driver and the topology, it is possible that the playback/capture widget is not set, especially in the case of loopback capture for echo reference where we use the dummy DAI link. Return the error when the widget is not set to avoid a null pointer dereference like below when the topology is broken. RIP: 0010:hda_dai_get_ops.isra.0+0x14/0xa0 [snd_sof_intel_hda_common]

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-476

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0acb48dd31e39b617bb12ca546b4fecd6ccb2972 10411f1f2c76be67103b1f95822ff629aa25e2aa git Not specified
CNA Linux Linux affected 0acb48dd31e39b617bb12ca546b4fecd6ccb2972 42068f7dd42b559c4eeae645e1455ff36518866a git Not specified
CNA Linux Linux affected 0acb48dd31e39b617bb12ca546b4fecd6ccb2972 7750d78b4014902bc0ac03d4bb30faa076a913ab git Not specified
CNA Linux Linux affected 0acb48dd31e39b617bb12ca546b4fecd6ccb2972 16c589567a956d46a7c1363af3f64de3d420af20 git Not specified
CNA Linux Linux affected 5.16 Not specified
CNA Linux Linux unaffected 5.16 semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/42068f7dd42b559c4eeae645e1455ff36518866a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7750d78b4014902bc0ac03d4bb30faa076a913ab 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/16c589567a956d46a7c1363af3f64de3d420af20 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/10411f1f2c76be67103b1f95822ff629aa25e2aa 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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