CVE-2025-37979

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There is no remote or adjacent-network path into the sc7280 machine driver.\nAC:L - On an affected sc7280 board (audioreach/ADSP device tree, where cpu_dai->id is a q6afe port id such as RX_CODEC_DMA_RX_0=113), the index is unconditionally out of the 34-entry arrays, so a single open()/close() or hw_params() deterministically triggers the OOB read, write and kfree() \u2014 no race, no timing, no memory-layout luck required to trigger.\nPR:L - The attacker needs only an unprivileged local account with access to the PCM device node \u2014 membership in the \"audio\" group on Chromebook/embedded systems, or an ordinary audio-capable app on Android. No capability, root, or namespace privilege is checked anywhere along the soc_pcm_open/soc_pcm_hw_params path.\nUI:N - The attacker opens and configures the PCM device directly; no victim must plug in hardware, mount anything, or play audio. The vulnerable callbacks run purely as a result of the attacker's own syscalls.\nS:U - The corruption is confined to kernel heap memory within the same kernel security authority; no hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - sc7280_snd_shutdown() reads a pointer from out of bounds (data->sruntime[113/120]) and hands it to kfree(), and the OOB pointer write can clobber an adjacent heap object; such heap corruption plus an attacker-groomable free is readily leveraged into arbitrary kernel memory disclosure.\nI:H - hw_params() writes a kernel heap pointer, and prepare() writes a byte, hundreds of bytes past the end of the 34-entry arrays inside the devm_kzalloc'd sc7280_snd_data object, and shutdown() frees an out-of-bounds-read pointer \u2014 an out-of-bounds write plus an invalid free, both classic primitives for control-flow hijacking.\nA:H - Corrupting an adjacent slab object and calling kfree() on a pointer read from out of bounds reliably produces slab corruption, BUG_ON/KASAN reports, or a kernel panic, and the sequence can be repeated at will by an unprivileged local user."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/qcom/lpass.h"], "versions": [{"version": "77d0ffef793da818741127f4905a3e3d45d05ac7", "lessThan": "d78888853eb53f47ae16cf3aa5d0444d0331b9f8", "status": "affected", "versionType": "git"}, {"version": "77d0ffef793da818741127f4905a3e3d45d05ac7", "lessThan": "a12c14577882b1f2b4cff0f86265682f16e97b0c", "status": "affected", "versionType": "git"}, {"version": "77d0ffef793da818741127f4905a3e3d45d05ac7", "lessThan": "c0ce01e0ff8a0d61a7b089ab309cdc12bc527c39", "status": "affected", "versionType": "git"}, {"version": "77d0ffef793da818741127f4905a3e3d45d05ac7", "lessThan": "b807b7c81a6d066757a94af7b8fa5b6a37e4d0b3", "status": "affected", "versionType": "git"}, {"version": "77d0ffef793da818741127f4905a3e3d45d05ac7", "lessThan": "a31a4934b31faea76e735bab17e63d02fcd8e029", "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/qcom/lpass.h"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.136", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.88", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.25", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.4", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "5.18", "versionEndExcluding": "6.1.136"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.25"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.14.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d78888853eb53f47ae16cf3aa5d0444d0331b9f8"}, {"url": "https://git.kernel.org/stable/c/a12c14577882b1f2b4cff0f86265682f16e97b0c"}, {"url": "https://git.kernel.org/stable/c/c0ce01e0ff8a0d61a7b089ab309cdc12bc527c39"}, {"url": "https://git.kernel.org/stable/c/b807b7c81a6d066757a94af7b8fa5b6a37e4d0b3"}, {"url": "https://git.kernel.org/stable/c/a31a4934b31faea76e735bab17e63d02fcd8e029"}], "title": "ASoC: qcom: Fix sc7280 lpass potential buffer overflow", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:57:56.701Z"}}]}}

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Los valores de caso introducidos en el commit 5f78e1fb7a3e (\"ASoC: qcom: A\u00f1adir compatibilidad de controlador para la soluci\u00f3n audioreach\") provocan acceso fuera de los l\u00edmites en matrices de datos del controlador sc7280 (p. ej., en el caso de RX_CODEC_DMA_RX_0 en sc7280_snd_hw_params()). Redefinir LPASS_MAX_PORTS para considerar el ID de puerto m\u00e1ximo posible para q6dsp, ya que el controlador sc7280 utiliza algunos de esos valores. Encontrado por el Centro de Verificaci\u00f3n de Linux (linuxtesting.org) con SVACE."}], "id": "CVE-2025-37979", "lastModified": "2026-07-30T06:22:42.587", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-20T17:15:48.540", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a12c14577882b1f2b4cff0f86265682f16e97b0c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a31a4934b31faea76e735bab17e63d02fcd8e029"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b807b7c81a6d066757a94af7b8fa5b6a37e4d0b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c0ce01e0ff8a0d61a7b089ab309cdc12bc527c39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d78888853eb53f47ae16cf3aa5d0444d0331b9f8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ASoC: qcom: Fix sc7280 lpass potential buffer overflow", "id": "2367628", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367628"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nASoC: qcom: Fix sc7280 lpass potential buffer overflow\nCase values introduced in commit\n5f78e1fb7a3e (\"ASoC: qcom: Add driver support for audioreach solution\")\ncause out of bounds access in arrays of sc7280 driver data (e.g. in case\nof RX_CODEC_DMA_RX_0 in sc7280_snd_hw_params()).\nRedefine LPASS_MAX_PORTS to consider the maximum possible port id for\nq6dsp as sc7280 driver utilizes some of those values.\nFound by Linux Verification Center (linuxtesting.org) with SVACE."], "name": "CVE-2025-37979", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37979\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37979\nhttps://lore.kernel.org/linux-cve-announce/2025052040-CVE-2025-37979-3ca4@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-24T09:44:23.106995+00:00", "updated": "2025-06-24T09:44:23.107049+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}