CVE-2026-53350

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The control is a SYSTEM control, so an ALSA control is not created.\n\n2. The codec driver has registered a control_add() callback that\n hides the control, so wm_adsp_control_add() is not called.\n\nWhen cs_dsp_remove destroys its control list it calls\nwm_adsp_control_remove() for each control. But wm_adsp_control_remove()\nwas attempting to cleanup the private data pointed to by cs_ctl->priv\nwithout checking the pointer for NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/codecs/wm_adsp.c"], "versions": [{"version": "0700bc2fb94c28459f57a10d2ee2c7ef4cb70862", "lessThan": "5ee9bbe2af2f373e08d3017f9aef2f2eaf29fbc3", "status": "affected", "versionType": "git"}, {"version": "0700bc2fb94c28459f57a10d2ee2c7ef4cb70862", "lessThan": "10def23b67b42679d5b1a356e1a6f3498bd188c3", "status": "affected", "versionType": "git"}, {"version": "0700bc2fb94c28459f57a10d2ee2c7ef4cb70862", "lessThan": "2f1be283aa777d655525d000d16474b7e7d015ea", "status": "affected", "versionType": "git"}, {"version": "0700bc2fb94c28459f57a10d2ee2c7ef4cb70862", "lessThan": "12e579b889624ec54a201d98fdff975de556c731", "status": "affected", "versionType": "git"}, {"version": "0700bc2fb94c28459f57a10d2ee2c7ef4cb70862", "lessThan": "6effd6f7b0ba1f5d1df702b2ef7460bcc215e9b7", "status": "affected", "versionType": "git"}, {"version": "0700bc2fb94c28459f57a10d2ee2c7ef4cb70862", "lessThan": "7d3fb78b550301e43fdc60312aed733069694426", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/codecs/wm_adsp.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5ee9bbe2af2f373e08d3017f9aef2f2eaf29fbc3"}, {"url": "https://git.kernel.org/stable/c/10def23b67b42679d5b1a356e1a6f3498bd188c3"}, {"url": "https://git.kernel.org/stable/c/2f1be283aa777d655525d000d16474b7e7d015ea"}, {"url": "https://git.kernel.org/stable/c/12e579b889624ec54a201d98fdff975de556c731"}, {"url": "https://git.kernel.org/stable/c/6effd6f7b0ba1f5d1df702b2ef7460bcc215e9b7"}, {"url": "https://git.kernel.org/stable/c/7d3fb78b550301e43fdc60312aed733069694426"}], "title": "ASoC: wm_adsp: Fix NULL dereference when removing firmware controls", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:23:18.550Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53350", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:27:44.282836Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:34:22.404Z"}}]}}

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There are two cases\nwhere private data is not created:\n\n1. The control is a SYSTEM control, so an ALSA control is not created.\n\n2. The codec driver has registered a control_add() callback that\n hides the control, so wm_adsp_control_add() is not called.\n\nWhen cs_dsp_remove destroys its control list it calls\nwm_adsp_control_remove() for each control. 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There are two cases\nwhere private data is not created:\n\n1. The control is a SYSTEM control, so an ALSA control is not created.\n\n2. The codec driver has registered a control_add() callback that\n hides the control, so wm_adsp_control_add() is not called.\n\nWhen cs_dsp_remove destroys its control list it calls\nwm_adsp_control_remove() for each control. But wm_adsp_control_remove()\nwas attempting to cleanup the private data pointed to by cs_ctl->priv\nwithout checking the pointer for NULL."}], "id": "CVE-2026-53350", "lastModified": "2026-11-06T17:18:26.517", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53350", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:27:44.282836Z", "version": "2.0.3"}}]}, "published": "2026-07-01T14:16:43.137", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10def23b67b42679d5b1a356e1a6f3498bd188c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/12e579b889624ec54a201d98fdff975de556c731"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f1be283aa777d655525d000d16474b7e7d015ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5ee9bbe2af2f373e08d3017f9aef2f2eaf29fbc3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6effd6f7b0ba1f5d1df702b2ef7460bcc215e9b7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d3fb78b550301e43fdc60312aed733069694426"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ASoC: wm_adsp: Fix NULL dereference when removing firmware controls", "id": "2495954", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2495954"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ASoC) Wolfson Microelectronics Audio Digital Signal Processor (wm_adsp) driver. The `wm_adsp_control_remove()` function attempts to clean up private control data without verifying if the pointer to this data is null. This can occur when certain controls are created without associated private data. An attacker could potentially trigger a NULL dereference, leading to system instability or a Denial of Service (DoS)."], "name": "CVE-2026-53350", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53350\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53350\nhttps://lore.kernel.org/linux-cve-announce/2026070146-CVE-2026-53350-dcd9@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0700bc2fb94c28459f57a10d2ee2c7ef4cb70862,5ee9bbe2af2f373e08d3017f9aef2f2eaf29fbc3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0700bc2fb94c28459f57a10d2ee2c7ef4cb70862,10def23b67b42679d5b1a356e1a6f3498bd188c3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0700bc2fb94c28459f57a10d2ee2c7ef4cb70862,2f1be283aa777d655525d000d16474b7e7d015ea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0700bc2fb94c28459f57a10d2ee2c7ef4cb70862,12e579b889624ec54a201d98fdff975de556c731)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0700bc2fb94c28459f57a10d2ee2c7ef4cb70862,6effd6f7b0ba1f5d1df702b2ef7460bcc215e9b7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0700bc2fb94c28459f57a10d2ee2c7ef4cb70862,7d3fb78b550301e43fdc60312aed733069694426)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.176,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.143,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.94,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-01T17:00:05.909885+00:00", "updated": "2026-08-01T23:45:03.628925+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}