CVE-2025-39938

{"id": "CVE-2025-39938", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "30ad723b93ade607a678698e5947a55a4375c3a1", "lessThan": "01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa", "versionType": "git"}, {"status": "affected", "version": "30ad723b93ade607a678698e5947a55a4375c3a1", "lessThan": "411f7d4f7038200cdf6d4f71ee31026ebf2dfedb", "versionType": "git"}, {"status": "affected", "version": "30ad723b93ade607a678698e5947a55a4375c3a1", "lessThan": "9c534dbfd1726502abcf0bd393a04214f62c050b", "versionType": "git"}, {"status": "affected", "version": "30ad723b93ade607a678698e5947a55a4375c3a1", "lessThan": "cc336b242ea7e7a09b3ab9f885341455ca0a3bdb", "versionType": "git"}, {"status": "affected", "version": "30ad723b93ade607a678698e5947a55a4375c3a1", "lessThan": "68f27f7c7708183e7873c585ded2f1b057ac5b97", "versionType": "git"}], "programFiles": ["sound/soc/qcom/qdsp6/q6apm-lpass-dais.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"status": "unaffected", "version": "0", "lessThan": "5.16", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.154", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.108", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.49", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.16.9", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["sound/soc/qcom/qdsp6/q6apm-lpass-dais.c"], "defaultStatus": "affected"}]}], "published": "2025-10-04T08:15:46.730", "references": [{"url": "https://git.kernel.org/stable/c/01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/411f7d4f7038200cdf6d4f71ee31026ebf2dfedb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/68f27f7c7708183e7873c585ded2f1b057ac5b97", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9c534dbfd1726502abcf0bd393a04214f62c050b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cc336b242ea7e7a09b3ab9f885341455ca0a3bdb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed\n\nIf earlier opening of source graph fails (e.g. ADSP rejects due to\nincorrect audioreach topology), the graph is closed and\n\"dai_data->graph[dai->id]\" is assigned NULL. Preparing the DAI for sink\ngraph continues though and next call to q6apm_lpass_dai_prepare()\nreceives dai_data->graph[dai->id]=NULL leading to NULL pointer\nexception:\n\n qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd\n qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1\n q6apm-lpass-dais 30000000.remoteproc:glink-edge:gpr:service@1:bedais: fail to start APM port 78\n q6apm-lpass-dais 30000000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC: error at snd_soc_pcm_dai_prepare on TX_CODEC_DMA_TX_3: -22\n Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a8\n ...\n Call trace:\n q6apm_graph_media_format_pcm+0x48/0x120 (P)\n q6apm_lpass_dai_prepare+0x110/0x1b4\n snd_soc_pcm_dai_prepare+0x74/0x108\n __soc_pcm_prepare+0x44/0x160\n dpcm_be_dai_prepare+0x124/0x1c0"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nASoC: qcom: q6apm-lpass-dais: Correcci\u00f3n de desreferencia de puntero NULL si el grafo de origen fall\u00f3\n\nSi la apertura anterior del grafo de origen falla (p. ej., ADSP rechaza debido a una topolog\u00eda de audioreach incorrecta), el grafo se cierra y 'dai_data->graph[dai->id]' se asigna a NULL. Sin embargo, la preparaci\u00f3n del DAI para el grafo de destino contin\u00faa y la siguiente llamada a q6apm_lpass_dai_prepare() recibe dai_data->graph[dai->id]=NULL, lo que lleva a una excepci\u00f3n de puntero NULL:\n\n qcom-apm gprsvc:service:2:1: Error (1) al procesar el comando 0x01001002\n qcom-apm gprsvc:service:2:1: DSP devolvi\u00f3 el error[1001002] 1\n q6apm-lpass-dais 30000000.remoteproc:glink-edge:gpr:service@1:bedais: fallo al iniciar el puerto APM 78\n q6apm-lpass-dais 30000000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC: error en snd_soc_pcm_dai_prepare en TX_CODEC_DMA_TX_3: -22\n No se puede manejar la desreferencia de puntero NULL del kernel en la direcci\u00f3n virtual 00000000000000a8\n ...\n Rastro de llamada:\n q6apm_graph_media_format_pcm+0x48/0x120 (P)\n q6apm_lpass_dai_prepare+0x110/0x1b4\n snd_soc_pcm_dai_prepare+0x74/0x108\n __soc_pcm_prepare+0x44/0x160\n dpcm_be_dai_prepare+0x124/0x1c0"}], "lastModified": "2026-10-19T21:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E49CD91E-FC55-45B0-BB63-9AD5F5D70CAA", "versionEndExcluding": "6.1.154", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7E8EAEE-7731-4996-9578-696255D61EA2", "versionEndExcluding": "6.6.108", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CAA033E9-A2C5-4976-A83E-9804D8FB827F", "versionEndExcluding": "6.12.49", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "638DD910-1189-4F5E-98BF-2D436B695112", "versionEndExcluding": "6.16.9", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47E4C5C0-079F-4838-971B-8C503D48FCC2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A4516A6-C12E-42A4-8C0E-68AEF3264504"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}