{"id":"CVE-2025-39938","summary":"ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed","details":"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-\u003egraph[dai-\u003eid]\" is assigned NULL.  Preparing the DAI for sink\ngraph continues though and next call to q6apm_lpass_dai_prepare()\nreceives dai_data-\u003egraph[dai-\u003eid]=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","modified":"2026-03-20T12:43:06.856542Z","published":"2025-10-04T07:31:01.736Z","related":["MGASA-2025-0309","MGASA-2025-0310","SUSE-SU-2025:21040-1","SUSE-SU-2025:21052-1","SUSE-SU-2025:21056-1","SUSE-SU-2025:21064-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4128-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4140-1","SUSE-SU-2025:4141-1","SUSE-SU-2025:4301-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39938.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/411f7d4f7038200cdf6d4f71ee31026ebf2dfedb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/68f27f7c7708183e7873c585ded2f1b057ac5b97"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c534dbfd1726502abcf0bd393a04214f62c050b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cc336b242ea7e7a09b3ab9f885341455ca0a3bdb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39938.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39938"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"30ad723b93ade607a678698e5947a55a4375c3a1"},{"fixed":"01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa"},{"fixed":"411f7d4f7038200cdf6d4f71ee31026ebf2dfedb"},{"fixed":"9c534dbfd1726502abcf0bd393a04214f62c050b"},{"fixed":"cc336b242ea7e7a09b3ab9f885341455ca0a3bdb"},{"fixed":"68f27f7c7708183e7873c585ded2f1b057ac5b97"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39938.json"}}],"schema_version":"1.7.5"}