{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53866", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-09T01:27:17.829Z", "datePublished": "2025-12-09T01:30:35.817Z", "dateUpdated": "2025-12-09T01:30:35.817Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T01:30:35.817Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: soc-compress: Reposition and add pcm_mutex\n\nIf panic_on_warn is set and compress stream(DPCM) is started,\nthen kernel panic occurred because card->pcm_mutex isn't held appropriately.\nIn the following functions, warning were issued at this line\n\"snd_soc_dpcm_mutex_assert_held\".\n\nstatic int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,\n\t\tstruct snd_soc_pcm_runtime *be, int stream)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(fe);\n\t...\n}\n\nvoid dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(fe);\n\t...\n}\n\nvoid snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,\n\t\t\t int stream, int action)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(rtd);\n\t...\n}\n\nint dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,\n\tint event)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(fe);\n\t...\n}\n\nThese functions are called by soc_compr_set_params_fe, soc_compr_open_fe\nand soc_compr_free_fe\nwithout pcm_mutex locking. And this is call stack.\n\n[ 414.527841][ T2179] pc : dpcm_process_paths+0x5a4/0x750\n[ 414.527848][ T2179] lr : dpcm_process_paths+0x37c/0x750\n[ 414.527945][ T2179] Call trace:\n[ 414.527949][ T2179] dpcm_process_paths+0x5a4/0x750\n[ 414.527955][ T2179] soc_compr_open_fe+0xb0/0x2cc\n[ 414.527972][ T2179] snd_compr_open+0x180/0x248\n[ 414.527981][ T2179] snd_open+0x15c/0x194\n[ 414.528003][ T2179] chrdev_open+0x1b0/0x220\n[ 414.528023][ T2179] do_dentry_open+0x30c/0x594\n[ 414.528045][ T2179] vfs_open+0x34/0x44\n[ 414.528053][ T2179] path_openat+0x914/0xb08\n[ 414.528062][ T2179] do_filp_open+0xc0/0x170\n[ 414.528068][ T2179] do_sys_openat2+0x94/0x18c\n[ 414.528076][ T2179] __arm64_sys_openat+0x78/0xa4\n[ 414.528084][ T2179] invoke_syscall+0x48/0x10c\n[ 414.528094][ T2179] el0_svc_common+0xbc/0x104\n[ 414.528099][ T2179] do_el0_svc+0x34/0xd8\n[ 414.528103][ T2179] el0_svc+0x34/0xc4\n[ 414.528125][ T2179] el0t_64_sync_handler+0x8c/0xfc\n[ 414.528133][ T2179] el0t_64_sync+0x1a0/0x1a4\n[ 414.528142][ T2179] Kernel panic - not syncing: panic_on_warn set ...\n\nSo, I reposition and add pcm_mutex to resolve lockdep error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/soc-compress.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9576b7ccc20365d27c26c494651c89360a85bbdc", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9a9942cbdb7c3f41452f7bc4a9ff9f0b45eb3651", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "37a3eb6054d17676ce2a0bb5dd1fbf7733ecfa7d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "aa9ff6a4955fdba02b54fbc4386db876603703b7", "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/soc-compress.c"], "versions": [{"version": "5.15.99", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.99"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.2.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9576b7ccc20365d27c26c494651c89360a85bbdc"}, {"url": "https://git.kernel.org/stable/c/9a9942cbdb7c3f41452f7bc4a9ff9f0b45eb3651"}, {"url": "https://git.kernel.org/stable/c/37a3eb6054d17676ce2a0bb5dd1fbf7733ecfa7d"}, {"url": "https://git.kernel.org/stable/c/aa9ff6a4955fdba02b54fbc4386db876603703b7"}], "title": "ASoC: soc-compress: Reposition and add pcm_mutex", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: soc-compress: Reposition and add pcm_mutex\n\nIf panic_on_warn is set and compress stream(DPCM) is started,\nthen kernel panic occurred because card->pcm_mutex isn't held appropriately.\nIn the following functions, warning were issued at this line\n\"snd_soc_dpcm_mutex_assert_held\".\n\nstatic int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,\n\t\tstruct snd_soc_pcm_runtime *be, int stream)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(fe);\n\t...\n}\n\nvoid dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(fe);\n\t...\n}\n\nvoid snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,\n\t\t\t int stream, int action)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(rtd);\n\t...\n}\n\nint dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,\n\tint event)\n{\n\t...\n\tsnd_soc_dpcm_mutex_assert_held(fe);\n\t...\n}\n\nThese functions are called by soc_compr_set_params_fe, soc_compr_open_fe\nand soc_compr_free_fe\nwithout pcm_mutex locking. And this is call stack.\n\n[ 414.527841][ T2179] pc : dpcm_process_paths+0x5a4/0x750\n[ 414.527848][ T2179] lr : dpcm_process_paths+0x37c/0x750\n[ 414.527945][ T2179] Call trace:\n[ 414.527949][ T2179] dpcm_process_paths+0x5a4/0x750\n[ 414.527955][ T2179] soc_compr_open_fe+0xb0/0x2cc\n[ 414.527972][ T2179] snd_compr_open+0x180/0x248\n[ 414.527981][ T2179] snd_open+0x15c/0x194\n[ 414.528003][ T2179] chrdev_open+0x1b0/0x220\n[ 414.528023][ T2179] do_dentry_open+0x30c/0x594\n[ 414.528045][ T2179] vfs_open+0x34/0x44\n[ 414.528053][ T2179] path_openat+0x914/0xb08\n[ 414.528062][ T2179] do_filp_open+0xc0/0x170\n[ 414.528068][ T2179] do_sys_openat2+0x94/0x18c\n[ 414.528076][ T2179] __arm64_sys_openat+0x78/0xa4\n[ 414.528084][ T2179] invoke_syscall+0x48/0x10c\n[ 414.528094][ T2179] el0_svc_common+0xbc/0x104\n[ 414.528099][ T2179] do_el0_svc+0x34/0xd8\n[ 414.528103][ T2179] el0_svc+0x34/0xc4\n[ 414.528125][ T2179] el0t_64_sync_handler+0x8c/0xfc\n[ 414.528133][ T2179] el0t_64_sync+0x1a0/0x1a4\n[ 414.528142][ T2179] Kernel panic - not syncing: panic_on_warn set ...\n\nSo, I reposition and add pcm_mutex to resolve lockdep error."}], "id": "CVE-2023-53866", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T16:17:27.530", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/37a3eb6054d17676ce2a0bb5dd1fbf7733ecfa7d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9576b7ccc20365d27c26c494651c89360a85bbdc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a9942cbdb7c3f41452f7bc4a9ff9f0b45eb3651"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aa9ff6a4955fdba02b54fbc4386db876603703b7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ASoC: soc-compress: Reposition and add pcm_mutex", "id": "2420336", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420336"}, "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": ["No description is available for this CVE."], "name": "CVE-2023-53866", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53866\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53866\nhttps://lore.kernel.org/linux-cve-announce/2025120907-CVE-2023-53866-59ec@gregkh/T"], "threat_severity": "Low"}