CVE-2025-38662

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There is no network, packet, or remote-peer input anywhere on the path.\nAC:L - The wrong length is a fixed compile-time constant, so the ~950-byte out-of-bounds read happens deterministically on every probe of the driver, with no race, timing window, or memory-layout condition involved.\nPR:L - The code path is exercised without any attacker action during normal device bring-up, so an unprivileged local user is exposed to it; deliberately re-triggering a probe (module load or sysfs bind/unbind) would in fact require more privilege, not less.\nUI:N - No victim action is needed \u2014 the defect triggers automatically when the audio driver probes at boot.\nS:U - The out-of-bounds read and its consequences are entirely within the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The memcpy reads roughly 900+ bytes of adjacent kernel/module memory past the end of a 136-byte const global and copies it into a live driver allocation, which is far beyond a strictly bounded few-byte over-read and constitutes disclosure of kernel memory contents into an attacker-relevant kernel object (also dumped verbatim in the KASAN report).\nI:N - The destination buffer is allocated with the same oversized length, so the copy stays in bounds on the write side; no kernel memory is corrupted and no attacker-controlled data is written anywhere.\nA:H - Reading ~1 KB past the end of the module's `.rodata` object can run off the end of the module mapping and oops during probe, and on KASAN-enabled kernels the resulting BUG report panics the machine under `panic_on_warn`, taking the device down at boot."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/mediatek/mt8365/mt8365-dai-i2s.c"], "versions": [{"version": "402bbb13a195caa83b3279ebecdabfb11ddee084", "lessThan": "1dc0ed16cfbc3c28a07a89904071cfa802fdcee1", "status": "affected", "versionType": "git"}, {"version": "402bbb13a195caa83b3279ebecdabfb11ddee084", "lessThan": "6e621dd99c57db916842865debaa65f20bbd6d8e", "status": "affected", "versionType": "git"}, {"version": "402bbb13a195caa83b3279ebecdabfb11ddee084", "lessThan": "6bea85979d05470e6416a2bb504a9bcd9178304c", "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/mediatek/mt8365/mt8365-dai-i2s.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.41", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.9", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "6.12", "versionEndExcluding": "6.12.41"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.15.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1dc0ed16cfbc3c28a07a89904071cfa802fdcee1"}, {"url": "https://git.kernel.org/stable/c/6e621dd99c57db916842865debaa65f20bbd6d8e"}, {"url": "https://git.kernel.org/stable/c/6bea85979d05470e6416a2bb504a9bcd9178304c"}], "title": "ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/soc/mediatek/mt8365/mt8365-dai-i2s.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "1dc0ed16cfbc3c28a07a89904071cfa802fdcee1", "status": "affected", "version": "402bbb13a195caa83b3279ebecdabfb11ddee084", "versionType": "git"}, {"lessThan": "6e621dd99c57db916842865debaa65f20bbd6d8e", "status": "affected", "version": "402bbb13a195caa83b3279ebecdabfb11ddee084", "versionType": "git"}, {"lessThan": "6bea85979d05470e6416a2bb504a9bcd9178304c", "status": "affected", "version": "402bbb13a195caa83b3279ebecdabfb11ddee084", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/soc/mediatek/mt8365/mt8365-dai-i2s.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.12"}, {"lessThan": "6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.41", "versionType": "semver"}, {"lessThanOrEqual": "6.15.*", "status": "unaffected", "version": "6.15.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.16", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB5C77A8-F858-45E1-9708-854B3519D3EA", "versionEndExcluding": "6.12.41", "versionStartIncluding": "6.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "656D6B8C-4D7B-4385-98B6-44EA4AFADD2E", "versionEndExcluding": "6.15.9", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "6D4894DB-CCFE-4602-B1BF-3960B2E19A01", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*", "matchCriteriaId": "09709862-E348-4378-8632-5A7813EDDC86", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*", "matchCriteriaId": "415BF58A-8197-43F5-B3D7-D1D63057A26E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*", "matchCriteriaId": "A0517869-312D-4429-80C2-561086E1421C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:*", "matchCriteriaId": "85421F4E-C863-4ABF-B4B4-E887CC2F7F92", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc6:*:*:*:*:*:*", "matchCriteriaId": "3827F0D4-5FEE-4181-B267-5A45E7CA11FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc7:*:*:*:*:*:*", "matchCriteriaId": "7A9C2DE5-43B8-4D73-BDB5-EA55C7671A52", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv\n\nGiven mt8365_dai_set_priv allocate priv_size space to copy priv_data which\nmeans we should pass mt8365_i2s_priv[i] or \"struct mtk_afe_i2s_priv\"\ninstead of afe_priv which has the size of \"struct mt8365_afe_private\".\n\nOtherwise the KASAN complains about.\n\n[ 59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]\n...\n[ 59.394789] Call trace:\n[ 59.395167] dump_backtrace+0xa0/0x128\n[ 59.395733] show_stack+0x20/0x38\n[ 59.396238] dump_stack_lvl+0xe8/0x148\n[ 59.396806] print_report+0x37c/0x5e0\n[ 59.397358] kasan_report+0xac/0xf8\n[ 59.397885] kasan_check_range+0xe8/0x190\n[ 59.398485] asan_memcpy+0x3c/0x98\n[ 59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]\n[ 59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]\n[ 59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]\n[ 59.401873] platform_probe+0xcc/0x228\n[ 59.402442] really_probe+0x340/0x9e8\n[ 59.402992] driver_probe_device+0x16c/0x3f8\n[ 59.403638] driver_probe_device+0x64/0x1d8\n[ 59.404256] driver_attach+0x1dc/0x4c8\n[ 59.404840] bus_for_each_dev+0x100/0x190\n[ 59.405442] driver_attach+0x44/0x68\n[ 59.405980] bus_add_driver+0x23c/0x500\n[ 59.406550] driver_register+0xf8/0x3d0\n[ 59.407122] platform_driver_register+0x68/0x98\n[ 59.407810] mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: mediatek: mt8365-dai-i2s: pasar el tama\u00f1o correcto a mt8365_dai_set_priv. Dado mt8365_dai_set_priv, se asigna espacio priv_size para copiar priv_data, lo que significa que debemos pasar mt8365_i2s_priv[i] o \"struct mtk_afe_i2s_priv\" en lugar de afe_priv, cuyo tama\u00f1o es \"struct mt8365_afe_private\". De lo contrario, la queja de KASAN. [ 59.389765] ERROR: KASAN: global fuera de los l\u00edmites en mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm] ... [ 59.394789] Rastreo de llamadas: [ 59.395167] dump_backtrace+0xa0/0x128 [ 59.395733] show_stack+0x20/0x38 [ 59.396238] dump_stack_lvl+0xe8/0x148 [ 59.396806] print_report+0x37c/0x5e0 [ 59.397358] kasan_report+0xac/0xf8 [ 59.397885] kasan_check_range+0xe8/0x190 [59.398485] asan_memcpy+0x3c/0x98 [59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm] [59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm] [59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm] [59.401873] platform_probe+0xcc/0x228 [ 59.402442] really_probe+0x340/0x9e8 [ 59.402992] driver_probe_device+0x16c/0x3f8 [ 59.403638] driver_probe_device+0x64/0x1d8 [ 59.404256] driver_attach+0x1dc/0x4c8 [ 59.404840] bus_for_each_dev+0x100/0x190 [ 59.405442] driver_attach+0x44/0x68 [ 59.405980] bus_add_driver+0x23c/0x500 [ 59.406550] driver_register+0xf8/0x3d0 [ 59.407122] registro_del_controlador_de_plataforma+0x68/0x98 [59.407810] inicio_del_controlador_del_pcm_mt8365_afe+0x2c/0xff8 [snd_soc_mt8365_pcm]"}], "id": "CVE-2025-38662", "lastModified": "2026-07-30T06:23:33.913", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "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": "2025-08-22T16:15:41.450", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1dc0ed16cfbc3c28a07a89904071cfa802fdcee1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6bea85979d05470e6416a2bb504a9bcd9178304c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e621dd99c57db916842865debaa65f20bbd6d8e"}], "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: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv", "id": "2390370", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2390370"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv\nGiven mt8365_dai_set_priv allocate priv_size space to copy priv_data which\nmeans we should pass mt8365_i2s_priv[i] or \"struct mtk_afe_i2s_priv\"\ninstead of afe_priv which has the size of \"struct mt8365_afe_private\".\nOtherwise the KASAN complains about.\n[ 59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]\n...\n[ 59.394789] Call trace:\n[ 59.395167] dump_backtrace+0xa0/0x128\n[ 59.395733] show_stack+0x20/0x38\n[ 59.396238] dump_stack_lvl+0xe8/0x148\n[ 59.396806] print_report+0x37c/0x5e0\n[ 59.397358] kasan_report+0xac/0xf8\n[ 59.397885] kasan_check_range+0xe8/0x190\n[ 59.398485] asan_memcpy+0x3c/0x98\n[ 59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]\n[ 59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]\n[ 59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]\n[ 59.401873] platform_probe+0xcc/0x228\n[ 59.402442] really_probe+0x340/0x9e8\n[ 59.402992] driver_probe_device+0x16c/0x3f8\n[ 59.403638] driver_probe_device+0x64/0x1d8\n[ 59.404256] driver_attach+0x1dc/0x4c8\n[ 59.404840] bus_for_each_dev+0x100/0x190\n[ 59.405442] driver_attach+0x44/0x68\n[ 59.405980] bus_add_driver+0x23c/0x500\n[ 59.406550] driver_register+0xf8/0x3d0\n[ 59.407122] platform_driver_register+0x68/0x98\n[ 59.407810] mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]"], "name": "CVE-2025-38662", "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": "2025-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38662\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38662\nhttps://lore.kernel.org/linux-cve-announce/2025082259-CVE-2025-38662-a8c5@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-23T10:55:31.637218+00:00", "updated": "2025-08-23T10:55:31.637324+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}