CVE-2026-80525

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80525", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.764Z", "datePublished": "2026-08-26T14:37:04.973Z", "dateUpdated": "2026-08-26T14:37:04.973Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-26T14:37:04.973Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc4-topology: Refresh copier IPC payload before widget setup\n\nThe ipc_config_data buffer for copier widgets is built once during\nipc_prepare (called from sof_pcm_setup_connected_widgets) and cached\nfor reuse. For host copiers this buffer contains the copier_data with\ngtw_cfg.node_id (host DMA ID). For DAI copiers it additionally includes\na dma_config_tlv trailer with stream_id and dma_channel_id for HDA link\nDMA.\n\nOn suspend/resume, both host and link DMA streams are released and\nre-allocated with potentially different stream tags. The underlying\ncopier_data and dma_config_tlv structures are correctly updated by\nhost_config and sdw_hda_dai_hw_params respectively. However, since the\nwidget list (spcm->stream[].list) persists across suspend,\nsof_pcm_hw_params skips sof_pcm_setup_connected_widgets and ipc_prepare\nnever runs again to rebuild ipc_config_data. The stale cached payload\nis then sent to firmware with boot-time DMA channel assignments, causing\nDMA channel conflicts that lead to firmware errors and crashes.\n\nFix this by refreshing copier_data and dma_config_tlv portions of\nipc_config_data in sof_ipc4_widget_setup right before the IPC message\nis sent. This ensures the payload always reflects the current DMA state\nregardless of whether ipc_prepare ran.\n\nFor DAI copiers, the gtw_cfg.config_length in copier_data is temporarily\ninflated to include the TLV size (matching the ipc_config_data layout)\nbefore copying, then restored, mirroring what\nsof_ipc4_prepare_copier_module does when first building the buffer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/sof/ipc4-topology.c"], "versions": [{"version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "lessThan": "decb87e76716d11d846c9c055e309c8ff90d7656", "status": "affected", "versionType": "git"}, {"version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "lessThan": "2a7d8fc0fd50e7a2020989d9840cabb74c0282e3", "status": "affected", "versionType": "git"}, {"version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "lessThan": "574498e56024082a0da68474ad4526d250732411", "status": "affected", "versionType": "git"}, {"version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "lessThan": "0c0e418dbcf0582bf80d8dbfd9b306607c065992", "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/sof/ipc4-topology.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.105", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.46", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.10", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.10", "versionEndExcluding": "6.12.105"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/decb87e76716d11d846c9c055e309c8ff90d7656"}, {"url": "https://git.kernel.org/stable/c/2a7d8fc0fd50e7a2020989d9840cabb74c0282e3"}, {"url": "https://git.kernel.org/stable/c/574498e56024082a0da68474ad4526d250732411"}, {"url": "https://git.kernel.org/stable/c/0c0e418dbcf0582bf80d8dbfd9b306607c065992"}], "title": "ASoC: SOF: ipc4-topology: Refresh copier IPC payload before widget setup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/soc/sof/ipc4-topology.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "decb87e76716d11d846c9c055e309c8ff90d7656", "status": "affected", "version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "versionType": "git"}, {"lessThan": "2a7d8fc0fd50e7a2020989d9840cabb74c0282e3", "status": "affected", "version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "versionType": "git"}, {"lessThan": "574498e56024082a0da68474ad4526d250732411", "status": "affected", "version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "versionType": "git"}, {"lessThan": "0c0e418dbcf0582bf80d8dbfd9b306607c065992", "status": "affected", "version": "e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/soc/sof/ipc4-topology.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.105", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc4-topology: Refresh copier IPC payload before widget setup\n\nThe ipc_config_data buffer for copier widgets is built once during\nipc_prepare (called from sof_pcm_setup_connected_widgets) and cached\nfor reuse. For host copiers this buffer contains the copier_data with\ngtw_cfg.node_id (host DMA ID). For DAI copiers it additionally includes\na dma_config_tlv trailer with stream_id and dma_channel_id for HDA link\nDMA.\n\nOn suspend/resume, both host and link DMA streams are released and\nre-allocated with potentially different stream tags. The underlying\ncopier_data and dma_config_tlv structures are correctly updated by\nhost_config and sdw_hda_dai_hw_params respectively. However, since the\nwidget list (spcm->stream[].list) persists across suspend,\nsof_pcm_hw_params skips sof_pcm_setup_connected_widgets and ipc_prepare\nnever runs again to rebuild ipc_config_data. The stale cached payload\nis then sent to firmware with boot-time DMA channel assignments, causing\nDMA channel conflicts that lead to firmware errors and crashes.\n\nFix this by refreshing copier_data and dma_config_tlv portions of\nipc_config_data in sof_ipc4_widget_setup right before the IPC message\nis sent. This ensures the payload always reflects the current DMA state\nregardless of whether ipc_prepare ran.\n\nFor DAI copiers, the gtw_cfg.config_length in copier_data is temporarily\ninflated to include the TLV size (matching the ipc_config_data layout)\nbefore copying, then restored, mirroring what\nsof_ipc4_prepare_copier_module does when first building the buffer."}], "id": "CVE-2026-80525", "lastModified": "2026-08-26T15:17:06.200", "metrics": {}, "published": "2026-08-26T15:17:06.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0c0e418dbcf0582bf80d8dbfd9b306607c065992"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a7d8fc0fd50e7a2020989d9840cabb74c0282e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/574498e56024082a0da68474ad4526d250732411"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/decb87e76716d11d846c9c055e309c8ff90d7656"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ASoC: SOF: ipc4-topology: Refresh copier IPC payload before widget setup", "id": "2524464", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524464"}, "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-367", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nASoC: SOF: ipc4-topology: Refresh copier IPC payload before widget setup\nThe ipc_config_data buffer for copier widgets is built once during\nipc_prepare (called from sof_pcm_setup_connected_widgets) and cached\nfor reuse. For host copiers this buffer contains the copier_data with\ngtw_cfg.node_id (host DMA ID). For DAI copiers it additionally includes\na dma_config_tlv trailer with stream_id and dma_channel_id for HDA link\nDMA.\nOn suspend/resume, both host and link DMA streams are released and\nre-allocated with potentially different stream tags. The underlying\ncopier_data and dma_config_tlv structures are correctly updated by\nhost_config and sdw_hda_dai_hw_params respectively. However, since the\nwidget list (spcm->stream[].list) persists across suspend,\nsof_pcm_hw_params skips sof_pcm_setup_connected_widgets and ipc_prepare\nnever runs again to rebuild ipc_config_data. The stale cached payload\nis then sent to firmware with boot-time DMA channel assignments, causing\nDMA channel conflicts that lead to firmware errors and crashes.\nFix this by refreshing copier_data and dma_config_tlv portions of\nipc_config_data in sof_ipc4_widget_setup right before the IPC message\nis sent. This ensures the payload always reflects the current DMA state\nregardless of whether ipc_prepare ran.\nFor DAI copiers, the gtw_cfg.config_length in copier_data is temporarily\ninflated to include the TLV size (matching the ipc_config_data layout)\nbefore copying, then restored, mirroring what\nsof_ipc4_prepare_copier_module does when first building the buffer.", "A flaw was found in the Linux kernel's Sound Open Firmware (SOF) IPC4 topology component. During suspend and resume operations, the system fails to refresh the Inter-Process Communication (IPC) payload for audio copier widgets. This oversight causes outdated Direct Memory Access (DMA) channel assignments to be sent to the firmware. Consequently, this can lead to DMA channel conflicts, resulting in firmware errors and system crashes, effectively causing a Denial of Service (DoS)."], "name": "CVE-2026-80525", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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": "2026-08-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80525\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80525\nhttps://lore.kernel.org/linux-cve-announce/2026082602-CVE-2026-80525-f83f@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a,decb87e76716d11d846c9c055e309c8ff90d7656)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a,2a7d8fc0fd50e7a2020989d9840cabb74c0282e3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a,574498e56024082a0da68474ad4526d250732411)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e9c6b118de1afc1d32a4eb3bc9f3d114d4fe0f1a,0c0e418dbcf0582bf80d8dbfd9b306607c065992)"}}], "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": "generic", "value": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.105,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.46,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.10,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-26T16:00:07.462848+00:00", "updated": "2026-08-28T19:30:16.874824+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}