CVE-2026-43137 Details
Description
In 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]
A NULL pointer dereference vulnerability has been identified in the Linux kernel's ASoC SOF Intel HDA component. This issue arises when there is a mismatch between the DAI links in the machine driver and the audio topology, particularly during loopback capture for echo reference, where a dummy DAI link is used. If the playback or capture widget is not properly set, the system can attempt to dereference a NULL pointer, leading to a crash. The vulnerability has been addressed by modifying the code to return an error when the widget is not set, thereby preventing the NULL pointer dereference.
Users can upgrade to the latest version of the Linux kernel where this vulnerability has been fixed. Instructions for downloading the patched version are available on the Linux kernel's official website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/10411f1f2c76be67103b1f95822ff629aa25e2aa | kernel.org | Patch |
| https://git.kernel.org/stable/c/16c589567a956d46a7c1363af3f64de3d420af20 | kernel.org | Patch |
| https://git.kernel.org/stable/c/42068f7dd42b559c4eeae645e1455ff36518866a | kernel.org | Patch |
| https://git.kernel.org/stable/c/7750d78b4014902bc0ac03d4bb30faa076a913ab | kernel.org | Patch |
| https://git.kernel.org/stable/c/a1d4f3d3c0dc86527da6a19f6901a6a48375500d | kernel.org |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 5.16, < 6.12.75 >= 6.13, < 6.18.16 >= 6.19, < 6.19.6 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| May 23, 2026 | CVE Modified | kernel.org |
| May 12, 2026 | Initial Analysis | [email protected] |
| May 6, 2026 | New CVE Received | kernel.org |