{"api_version":"1","generated_at":"2026-11-10T17:01:38+00:00","cve":"CVE-2025-21750","urls":{"html":"https://cve.report/CVE-2025-21750","api":"https://cve.report/api/cve/CVE-2025-21750.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-21750","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-21750"},"summary":{"title":"wifi: brcmfmac: Check the return value of of_property_read_string_index()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Check the return value of of_property_read_string_index()\n\nSomewhen between 6.10 and 6.11 the driver started to crash on my\nMacBookPro14,3. The property doesn't exist and 'tmp' remains\nuninitialized, so we pass a random pointer to devm_kstrdup().\n\nThe crash I am getting looks like this:\n\nBUG: unable to handle page fault for address: 00007f033c669379\nPF: supervisor read access in kernel mode\nPF: error_code(0x0001) - permissions violation\nPGD 8000000101341067 P4D 8000000101341067 PUD 101340067 PMD 1013bb067 PTE 800000010aee9025\nOops: Oops: 0001 [#1] SMP PTI\nCPU: 4 UID: 0 PID: 827 Comm: (udev-worker) Not tainted 6.11.8-gentoo #1\nHardware name: Apple Inc. MacBookPro14,3/Mac-551B86E5744E2388, BIOS 529.140.2.0.0 06/23/2024\nRIP: 0010:strlen+0x4/0x30\nCode: f7 75 ec 31 c0 c3 cc cc cc cc 48 89 f8 c3 cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <80> 3f 00 74 14 48 89 f8 48 83 c0 01 80 38 00 75 f7 48 29 f8 c3 cc\nRSP: 0018:ffffb4aac0683ad8 EFLAGS: 00010202\nRAX: 00000000ffffffea RBX: 00007f033c669379 RCX: 0000000000000001\nRDX: 0000000000000cc0 RSI: 00007f033c669379 RDI: 00007f033c669379\nRBP: 00000000ffffffea R08: 0000000000000000 R09: 00000000c0ba916a\nR10: ffffffffffffffff R11: ffffffffb61ea260 R12: ffff91f7815b50c8\nR13: 0000000000000cc0 R14: ffff91fafefffe30 R15: ffffb4aac0683b30\nFS:  00007f033ccbe8c0(0000) GS:ffff91faeed00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f033c669379 CR3: 0000000107b1e004 CR4: 00000000003706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n ? __die+0x23/0x70\n ? page_fault_oops+0x149/0x4c0\n ? raw_spin_rq_lock_nested+0xe/0x20\n ? sched_balance_newidle+0x22b/0x3c0\n ? update_load_avg+0x78/0x770\n ? exc_page_fault+0x6f/0x150\n ? asm_exc_page_fault+0x26/0x30\n ? __pfx_pci_conf1_write+0x10/0x10\n ? strlen+0x4/0x30\n devm_kstrdup+0x25/0x70\n brcmf_of_probe+0x273/0x350 [brcmfmac]","state":"PUBLISHED","assigner":"Linux","published_at":"2025-02-27 03:15:15","updated_at":"2026-11-05 21:17:42"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/7ef2ea1429684d5cef207519bdf6ce45e50e8ac5","name":"https://git.kernel.org/stable/c/7ef2ea1429684d5cef207519bdf6ce45e50e8ac5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bb8e35e33e79eb8e44396adbc8cb6c8c5f16b731","name":"https://git.kernel.org/stable/c/bb8e35e33e79eb8e44396adbc8cb6c8c5f16b731","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/082d9e263af8de68f0c34f67b251818205160f6e","name":"https://git.kernel.org/stable/c/082d9e263af8de68f0c34f67b251818205160f6e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/af525a8b2ab85291617e79a5bb18bcdcb529e80c","name":"https://git.kernel.org/stable/c/af525a8b2ab85291617e79a5bb18bcdcb529e80c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c9480e9f2d10135476101619bcbd1c49c15d595f","name":"https://git.kernel.org/stable/c/c9480e9f2d10135476101619bcbd1c49c15d595f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","name":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-21750","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21750","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 29e354ebeeecaee979e6fe22cd6272682d7552c9 af525a8b2ab85291617e79a5bb18bcdcb529e80c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 29e354ebeeecaee979e6fe22cd6272682d7552c9 c9480e9f2d10135476101619bcbd1c49c15d595f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 29e354ebeeecaee979e6fe22cd6272682d7552c9 7ef2ea1429684d5cef207519bdf6ce45e50e8ac5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 29e354ebeeecaee979e6fe22cd6272682d7552c9 bb8e35e33e79eb8e44396adbc8cb6c8c5f16b731 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 29e354ebeeecaee979e6fe22cd6272682d7552c9 082d9e263af8de68f0c34f67b251818205160f6e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.129 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.78 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.14 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13.3 6.13.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"21750","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2025-11-03T19:36:55.570Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"}],"title":"CVE Program Container"},{"metrics":[{"other":{"content":{"id":"CVE-2025-21750","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA 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Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"af525a8b2ab85291617e79a5bb18bcdcb529e80c","status":"affected","version":"29e354ebeeecaee979e6fe22cd6272682d7552c9","versionType":"git"},{"lessThan":"c9480e9f2d10135476101619bcbd1c49c15d595f","status":"affected","version":"29e354ebeeecaee979e6fe22cd6272682d7552c9","versionType":"git"},{"lessThan":"7ef2ea1429684d5cef207519bdf6ce45e50e8ac5","status":"affected","version":"29e354ebeeecaee979e6fe22cd6272682d7552c9","versionType":"git"},{"lessThan":"bb8e35e33e79eb8e44396adbc8cb6c8c5f16b731","status":"affected","version":"29e354ebeeecaee979e6fe22cd6272682d7552c9","versionType":"git"},{"lessThan":"082d9e263af8de68f0c34f67b251818205160f6e","status":"affected","version":"29e354ebeeecaee979e6fe22cd6272682d7552c9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.129","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.78","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.14","versionType":"semver"},{"lessThanOrEqual":"6.13.*","status":"unaffected","version":"6.13.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.14","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.129","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.78","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.14","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.13.3","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.14","versionStartIncluding":"5.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Check the return value of of_property_read_string_index()\n\nSomewhen between 6.10 and 6.11 the driver started to crash on my\nMacBookPro14,3. The property doesn't exist and 'tmp' remains\nuninitialized, so we pass a random pointer to devm_kstrdup().\n\nThe crash I am getting looks like this:\n\nBUG: unable to handle page fault for address: 00007f033c669379\nPF: supervisor read access in kernel mode\nPF: error_code(0x0001) - permissions violation\nPGD 8000000101341067 P4D 8000000101341067 PUD 101340067 PMD 1013bb067 PTE 800000010aee9025\nOops: Oops: 0001 [#1] SMP PTI\nCPU: 4 UID: 0 PID: 827 Comm: (udev-worker) Not tainted 6.11.8-gentoo #1\nHardware name: Apple Inc. MacBookPro14,3/Mac-551B86E5744E2388, BIOS 529.140.2.0.0 06/23/2024\nRIP: 0010:strlen+0x4/0x30\nCode: f7 75 ec 31 c0 c3 cc cc cc cc 48 89 f8 c3 cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <80> 3f 00 74 14 48 89 f8 48 83 c0 01 80 38 00 75 f7 48 29 f8 c3 cc\nRSP: 0018:ffffb4aac0683ad8 EFLAGS: 00010202\nRAX: 00000000ffffffea RBX: 00007f033c669379 RCX: 0000000000000001\nRDX: 0000000000000cc0 RSI: 00007f033c669379 RDI: 00007f033c669379\nRBP: 00000000ffffffea R08: 0000000000000000 R09: 00000000c0ba916a\nR10: ffffffffffffffff R11: ffffffffb61ea260 R12: ffff91f7815b50c8\nR13: 0000000000000cc0 R14: ffff91fafefffe30 R15: ffffb4aac0683b30\nFS:  00007f033ccbe8c0(0000) GS:ffff91faeed00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f033c669379 CR3: 0000000107b1e004 CR4: 00000000003706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n ? __die+0x23/0x70\n ? page_fault_oops+0x149/0x4c0\n ? raw_spin_rq_lock_nested+0xe/0x20\n ? sched_balance_newidle+0x22b/0x3c0\n ? update_load_avg+0x78/0x770\n ? exc_page_fault+0x6f/0x150\n ? asm_exc_page_fault+0x26/0x30\n ? __pfx_pci_conf1_write+0x10/0x10\n ? strlen+0x4/0x30\n devm_kstrdup+0x25/0x70\n brcmf_of_probe+0x273/0x350 [brcmfmac]"}],"providerMetadata":{"dateUpdated":"2026-05-11T21:05:42.405Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/af525a8b2ab85291617e79a5bb18bcdcb529e80c"},{"url":"https://git.kernel.org/stable/c/c9480e9f2d10135476101619bcbd1c49c15d595f"},{"url":"https://git.kernel.org/stable/c/7ef2ea1429684d5cef207519bdf6ce45e50e8ac5"},{"url":"https://git.kernel.org/stable/c/bb8e35e33e79eb8e44396adbc8cb6c8c5f16b731"},{"url":"https://git.kernel.org/stable/c/082d9e263af8de68f0c34f67b251818205160f6e"}],"title":"wifi: brcmfmac: Check the return value of of_property_read_string_index()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-21750","datePublished":"2025-02-27T02:12:21.155Z","dateReserved":"2024-12-29T08:45:45.758Z","dateUpdated":"2026-11-05T20:41:41.856Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-02-27 03:15:15","lastModifiedDate":"2026-11-05 21:17:42","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-05T20:34:56.931722Z","id":"CVE-2025-21750","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.129","matchCriteriaId":"18BF0B0B-D95C-472C-A99F-DE209F253F6F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.78","matchCriteriaId":"0C58261F-EDFB-4A12-8CCD-F12101482030"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.14","matchCriteriaId":"033BB7EE-C9A2-45EA-BAC9-87BB9D951BCD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.3","matchCriteriaId":"0E92CEE3-1FC3-4AFC-A513-DEDBA7414F00"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"21750","Ordinal":"1","Title":"wifi: brcmfmac: Check the return value of of_property_read_strin","CVE":"CVE-2025-21750","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"21750","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Check the return value of of_property_read_string_index()\n\nSomewhen between 6.10 and 6.11 the driver started to crash on my\nMacBookPro14,3. The property doesn't exist and 'tmp' remains\nuninitialized, so we pass a random pointer to devm_kstrdup().\n\nThe crash I am getting looks like this:\n\nBUG: unable to handle page fault for address: 00007f033c669379\nPF: supervisor read access in kernel mode\nPF: error_code(0x0001) - permissions violation\nPGD 8000000101341067 P4D 8000000101341067 PUD 101340067 PMD 1013bb067 PTE 800000010aee9025\nOops: Oops: 0001 [#1] SMP PTI\nCPU: 4 UID: 0 PID: 827 Comm: (udev-worker) Not tainted 6.11.8-gentoo #1\nHardware name: Apple Inc. MacBookPro14,3/Mac-551B86E5744E2388, BIOS 529.140.2.0.0 06/23/2024\nRIP: 0010:strlen+0x4/0x30\nCode: f7 75 ec 31 c0 c3 cc cc cc cc 48 89 f8 c3 cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <80> 3f 00 74 14 48 89 f8 48 83 c0 01 80 38 00 75 f7 48 29 f8 c3 cc\nRSP: 0018:ffffb4aac0683ad8 EFLAGS: 00010202\nRAX: 00000000ffffffea RBX: 00007f033c669379 RCX: 0000000000000001\nRDX: 0000000000000cc0 RSI: 00007f033c669379 RDI: 00007f033c669379\nRBP: 00000000ffffffea R08: 0000000000000000 R09: 00000000c0ba916a\nR10: ffffffffffffffff R11: ffffffffb61ea260 R12: ffff91f7815b50c8\nR13: 0000000000000cc0 R14: ffff91fafefffe30 R15: ffffb4aac0683b30\nFS:  00007f033ccbe8c0(0000) GS:ffff91faeed00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f033c669379 CR3: 0000000107b1e004 CR4: 00000000003706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n ? __die+0x23/0x70\n ? page_fault_oops+0x149/0x4c0\n ? raw_spin_rq_lock_nested+0xe/0x20\n ? sched_balance_newidle+0x22b/0x3c0\n ? update_load_avg+0x78/0x770\n ? exc_page_fault+0x6f/0x150\n ? asm_exc_page_fault+0x26/0x30\n ? __pfx_pci_conf1_write+0x10/0x10\n ? strlen+0x4/0x30\n devm_kstrdup+0x25/0x70\n brcmf_of_probe+0x273/0x350 [brcmfmac]","Type":"Description","Title":"wifi: brcmfmac: Check the return value of of_property_read_strin"}]}}}