{"id":"AZL-68135","summary":"CVE-2025-39938 affecting package kernel for versions less than 6.6.112.1-1","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":"2026-04-01T05:21:21.326396Z","published":"2025-10-04T08:15:46Z","upstream":["CVE-2025-39938"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39938"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.112.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-68135.json"}}],"schema_version":"1.7.5"}