{"api_version":"1","generated_at":"2026-08-22T16:32:54+00:00","cve":"CVE-2023-53640","urls":{"html":"https://cve.report/CVE-2023-53640","api":"https://cve.report/api/cve/CVE-2023-53640.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-53640","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-53640"},"summary":{"title":"ASoC: lpass: Fix for KASAN use_after_free out of bounds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: lpass: Fix for KASAN use_after_free out of bounds\n\nWhen we run syzkaller we get below Out of Bounds error.\n\n\"KASAN: slab-out-of-bounds Read in regcache_flat_read\"\n\nBelow is the backtrace of the issue:\n\nBUG: KASAN: slab-out-of-bounds in regcache_flat_read+0x10c/0x110\nRead of size 4 at addr ffffff8088fbf714 by task syz-executor.4/14144\nCPU: 6 PID: 14144 Comm: syz-executor.4 Tainted: G        W\nHardware name: Qualcomm Technologies, Inc. sc7280 CRD platform (rev5+) (DT)\nCall trace:\ndump_backtrace+0x0/0x4ec\nshow_stack+0x34/0x50\ndump_stack_lvl+0xdc/0x11c\nprint_address_description+0x30/0x2d8\nkasan_report+0x178/0x1e4\n__asan_report_load4_noabort+0x44/0x50\nregcache_flat_read+0x10c/0x110\nregcache_read+0xf8/0x5a0\n_regmap_read+0x45c/0x86c\n_regmap_update_bits+0x128/0x290\nregmap_update_bits_base+0xc0/0x15c\nsnd_soc_component_update_bits+0xa8/0x22c\nsnd_soc_component_write_field+0x68/0xd4\ntx_macro_put_dec_enum+0x1d0/0x268\nsnd_ctl_elem_write+0x288/0x474\n\nBy Error checking and checking valid values issue gets rectifies.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-10-07 16:15:47","updated_at":"2026-08-04 10:19:15"},"problem_types":["CWE-416"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.3","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.3","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","data":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/8d81d3b0ed3610d24191d24f8e9e20f6775f0cc5","name":"https://git.kernel.org/stable/c/8d81d3b0ed3610d24191d24f8e9e20f6775f0cc5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f5e61e3fe799ba2fda4320af23d26d28c3302045","name":"https://git.kernel.org/stable/c/f5e61e3fe799ba2fda4320af23d26d28c3302045","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8f1512d78b5de928f4616a871e77b58fd546e651","name":"https://git.kernel.org/stable/c/8f1512d78b5de928f4616a871e77b58fd546e651","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/75e5fab7db0cecb6e16b22c34608f0b40a4c7cd1","name":"https://git.kernel.org/stable/c/75e5fab7db0cecb6e16b22c34608f0b40a4c7cd1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-53640","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53640","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c39667ddcfc516fee084e449179d54430a558298 8f1512d78b5de928f4616a871e77b58fd546e651 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c39667ddcfc516fee084e449179d54430a558298 8d81d3b0ed3610d24191d24f8e9e20f6775f0cc5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c39667ddcfc516fee084e449179d54430a558298 f5e61e3fe799ba2fda4320af23d26d28c3302045 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c39667ddcfc516fee084e449179d54430a558298 75e5fab7db0cecb6e16b22c34608f0b40a4c7cd1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nASoC: lpass: Fix for KASAN use_after_free out of bounds\n\nWhen we run syzkaller we get below Out of Bounds error.\n\n\"KASAN: slab-out-of-bounds Read in regcache_flat_read\"\n\nBelow is the backtrace of the issue:\n\nBUG: KASAN: slab-out-of-bounds in regcache_flat_read+0x10c/0x110\nRead of size 4 at addr ffffff8088fbf714 by task syz-executor.4/14144\nCPU: 6 PID: 14144 Comm: syz-executor.4 Tainted: G        W\nHardware name: Qualcomm Technologies, Inc. sc7280 CRD platform (rev5+) (DT)\nCall trace:\ndump_backtrace+0x0/0x4ec\nshow_stack+0x34/0x50\ndump_stack_lvl+0xdc/0x11c\nprint_address_description+0x30/0x2d8\nkasan_report+0x178/0x1e4\n__asan_report_load4_noabort+0x44/0x50\nregcache_flat_read+0x10c/0x110\nregcache_read+0xf8/0x5a0\n_regmap_read+0x45c/0x86c\n_regmap_update_bits+0x128/0x290\nregmap_update_bits_base+0xc0/0x15c\nsnd_soc_component_update_bits+0xa8/0x22c\nsnd_soc_component_write_field+0x68/0xd4\ntx_macro_put_dec_enum+0x1d0/0x268\nsnd_ctl_elem_write+0x288/0x474\n\nBy Error checking and checking valid values issue gets rectifies."}],"metrics":[{"cvssV3_1":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:15:51.764Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8f1512d78b5de928f4616a871e77b58fd546e651"},{"url":"https://git.kernel.org/stable/c/8d81d3b0ed3610d24191d24f8e9e20f6775f0cc5"},{"url":"https://git.kernel.org/stable/c/f5e61e3fe799ba2fda4320af23d26d28c3302045"},{"url":"https://git.kernel.org/stable/c/75e5fab7db0cecb6e16b22c34608f0b40a4c7cd1"}],"title":"ASoC: lpass: Fix for KASAN use_after_free out of bounds","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-53640","datePublished":"2025-10-07T15:19:40.348Z","dateReserved":"2025-10-07T15:16:59.658Z","dateUpdated":"2026-08-04T09:15:51.764Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-10-07 16:15:47","lastModifiedDate":"2026-08-04 10:19:15","problem_types":["CWE-416"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.5},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.114","matchCriteriaId":"68F8E179-8339-4608-9B4A-2B6B83F723DE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.31","matchCriteriaId":"79A1436B-7738-4A85-8FE6-B844059F22D0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.3.5","matchCriteriaId":"34DD94CA-4DA1-41C3-9A9B-92ACD7F4E240"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*","matchCriteriaId":"38BC6744-7D25-4C02-9966-B224CD071D30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*","matchCriteriaId":"76061B41-CAE9-4467-BEDE-0FFC7956F2A1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*","matchCriteriaId":"A717BA5B-D535-46A0-A329-A25FE5CEC588"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2023","CveId":"53640","Ordinal":"1","Title":"ASoC: lpass: Fix for KASAN use_after_free out of bounds","CVE":"CVE-2023-53640","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"53640","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: lpass: Fix for KASAN use_after_free out of bounds\n\nWhen we run syzkaller we get below Out of Bounds error.\n\n\"KASAN: slab-out-of-bounds Read in regcache_flat_read\"\n\nBelow is the backtrace of the issue:\n\nBUG: KASAN: slab-out-of-bounds in regcache_flat_read+0x10c/0x110\nRead of size 4 at addr ffffff8088fbf714 by task syz-executor.4/14144\nCPU: 6 PID: 14144 Comm: syz-executor.4 Tainted: G        W\nHardware name: Qualcomm Technologies, Inc. sc7280 CRD platform (rev5+) (DT)\nCall trace:\ndump_backtrace+0x0/0x4ec\nshow_stack+0x34/0x50\ndump_stack_lvl+0xdc/0x11c\nprint_address_description+0x30/0x2d8\nkasan_report+0x178/0x1e4\n__asan_report_load4_noabort+0x44/0x50\nregcache_flat_read+0x10c/0x110\nregcache_read+0xf8/0x5a0\n_regmap_read+0x45c/0x86c\n_regmap_update_bits+0x128/0x290\nregmap_update_bits_base+0xc0/0x15c\nsnd_soc_component_update_bits+0xa8/0x22c\nsnd_soc_component_write_field+0x68/0xd4\ntx_macro_put_dec_enum+0x1d0/0x268\nsnd_ctl_elem_write+0x288/0x474\n\nBy Error checking and checking valid values issue gets rectifies.","Type":"Description","Title":"ASoC: lpass: Fix for KASAN use_after_free out of bounds"}]}}}