{"id":"CVE-2025-39938","state":"PUBLISHED","title":"ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed","description":"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","publishedAt":"2025-10-04T07:31:01.736Z","updatedAt":"2026-05-11T21:39:19.660Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"411f7d4f7038200cdf6d4f71ee31026ebf2dfedb","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"9c534dbfd1726502abcf0bd393a04214f62c050b","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"cc336b242ea7e7a09b3ab9f885341455ca0a3bdb","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"68f27f7c7708183e7873c585ded2f1b057ac5b97","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/qcom/qdsp6/q6apm-lpass-dais.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.154","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.108","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.49","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.9","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/qcom/qdsp6/q6apm-lpass-dais.c"]}],"references":["https://git.kernel.org/stable/c/01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa","https://git.kernel.org/stable/c/411f7d4f7038200cdf6d4f71ee31026ebf2dfedb","https://git.kernel.org/stable/c/9c534dbfd1726502abcf0bd393a04214f62c050b","https://git.kernel.org/stable/c/cc336b242ea7e7a09b3ab9f885341455ca0a3bdb","https://git.kernel.org/stable/c/68f27f7c7708183e7873c585ded2f1b057ac5b97"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39938.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39938","state":"PUBLISHED","datePublished":"2025-10-04T07:31:01.736Z","dateUpdated":"2026-05-11T21:39:19.660Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.148Z"},"containers":{"cna":{"title":"ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed","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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"411f7d4f7038200cdf6d4f71ee31026ebf2dfedb","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"9c534dbfd1726502abcf0bd393a04214f62c050b","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"cc336b242ea7e7a09b3ab9f885341455ca0a3bdb","versionType":"git"},{"version":"30ad723b93ade607a678698e5947a55a4375c3a1","status":"affected","lessThan":"68f27f7c7708183e7873c585ded2f1b057ac5b97","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/qcom/qdsp6/q6apm-lpass-dais.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.154","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.108","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.49","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.9","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/qcom/qdsp6/q6apm-lpass-dais.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa"},{"url":"https://git.kernel.org/stable/c/411f7d4f7038200cdf6d4f71ee31026ebf2dfedb"},{"url":"https://git.kernel.org/stable/c/9c534dbfd1726502abcf0bd393a04214f62c050b"},{"url":"https://git.kernel.org/stable/c/cc336b242ea7e7a09b3ab9f885341455ca0a3bdb"},{"url":"https://git.kernel.org/stable/c/68f27f7c7708183e7873c585ded2f1b057ac5b97"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:39:19.660Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.108"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.49"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.16.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}