{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-21912", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21912", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-04-01T15:40:50.299Z", "updatedAt": "2026-05-11T21:08:56.000Z", "importedAt": "2026-10-24T01:57:29.455Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "gpio: rcar: Use raw_spinlock to protect register access", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: rcar: Use raw_spinlock to protect register access\n\nUse raw_spinlock in order to fix spurious messages about invalid context\nwhen spinlock debugging is enabled. The lock is only used to serialize\nregister access.\n\n [ 4.239592] =============================\n [ 4.239595] [ BUG: Invalid wait context ]\n [ 4.239599] 6.13.0-rc7-arm64-renesas-05496-gd088502a519f #35 Not tainted\n [ 4.239603] -----------------------------\n [ 4.239606] kworker/u8:5/76 is trying to lock:\n [ 4.239609] ffff0000091898a0 (&p->lock){....}-{3:3}, at: gpio_rcar_config_interrupt_input_mode+0x34/0x164\n [ 4.239641] other info that might help us debug this:\n [ 4.239643] context-{5:5}\n [ 4.239646] 5 locks held by kworker/u8:5/76:\n [ 4.239651] #0: ffff0000080fb148 ((wq_completion)async){+.+.}-{0:0}, at: process_one_work+0x190/0x62c\n [ 4.250180] OF: /soc/sound@ec500000/ports/port@0/endpoint: Read of boolean property 'frame-master' with a value.\n [ 4.254094] #1: ffff80008299bd80 ((work_completion)(&entry->work)){+.+.}-{0:0}, at: process_one_work+0x1b8/0x62c\n [ 4.254109] #2: ffff00000920c8f8\n [ 4.258345] OF: /soc/sound@ec500000/ports/port@1/endpoint: Read of boolean property 'bitclock-master' with a value.\n [ 4.264803] (&dev->mutex){....}-{4:4}, at: __device_attach_async_helper+0x3c/0xdc\n [ 4.264820] #3: ffff00000a50ca40 (request_class#2){+.+.}-{4:4}, at: __setup_irq+0xa0/0x690\n [ 4.264840] #4:\n [ 4.268872] OF: /soc/sound@ec500000/ports/port@1/endpoint: Read of boolean property 'frame-master' with a value.\n [ 4.273275] ffff00000a50c8c8 (lock_class){....}-{2:2}, at: __setup_irq+0xc4/0x690\n [ 4.296130] renesas_sdhi_internal_dmac ee100000.mmc: mmc1 base at 0x00000000ee100000, max clock rate 200 MHz\n [ 4.304082] stack backtrace:\n [ 4.304086] CPU: 1 UID: 0 PID: 76 Comm: kworker/u8:5 Not tainted 6.13.0-rc7-arm64-renesas-05496-gd088502a519f #35\n [ 4.304092] Hardware name: Renesas Salvator-X 2nd version board based on r8a77965 (DT)\n [ 4.304097] Workqueue: async async_run_entry_fn\n [ 4.304106] Call trace:\n [ 4.304110] show_stack+0x14/0x20 (C)\n [ 4.304122] dump_stack_lvl+0x6c/0x90\n [ 4.304131] dump_stack+0x14/0x1c\n [ 4.304138] __lock_acquire+0xdfc/0x1584\n [ 4.426274] lock_acquire+0x1c4/0x33c\n [ 4.429942] _raw_spin_lock_irqsave+0x5c/0x80\n [ 4.434307] gpio_rcar_config_interrupt_input_mode+0x34/0x164\n [ 4.440061] gpio_rcar_irq_set_type+0xd4/0xd8\n [ 4.444422] __irq_set_trigger+0x5c/0x178\n [ 4.448435] __setup_irq+0x2e4/0x690\n [ 4.452012] request_threaded_irq+0xc4/0x190\n [ 4.456285] devm_request_threaded_irq+0x7c/0xf4\n [ 4.459398] ata1: link resume succeeded after 1 retries\n [ 4.460902] mmc_gpiod_request_cd_irq+0x68/0xe0\n [ 4.470660] mmc_start_host+0x50/0xac\n [ 4.474327] mmc_add_host+0x80/0xe4\n [ 4.477817] tmio_mmc_host_probe+0x2b0/0x440\n [ 4.482094] renesas_sdhi_probe+0x488/0x6f4\n [ 4.486281] renesas_sdhi_internal_dmac_probe+0x60/0x78\n [ 4.491509] platform_probe+0x64/0xd8\n [ 4.495178] really_probe+0xb8/0x2a8\n [ 4.498756] __driver_probe_device+0x74/0x118\n [ 4.503116] driver_probe_device+0x3c/0x154\n [ 4.507303] __device_attach_driver+0xd4/0x160\n [ 4.511750] bus_for_each_drv+0x84/0xe0\n [ 4.515588] __device_attach_async_helper+0xb0/0xdc\n [ 4.520470] async_run_entry_fn+0x30/0xd8\n [ 4.524481] process_one_work+0x210/0x62c\n [ 4.528494] worker_thread+0x1ac/0x340\n [ 4.532245] kthread+0x10c/0x110\n [ 4.535476] ret_from_fork+0x10/0x20", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "389891ac9f678baf68e13623ef1308493af4b074" }, { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "7c1f36f9c9aca507d317479a3d3388150ae40a87" }, { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "3e300913c42041e81c5b17a970c4e078086ff2d1" }, { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "c10365031f16514a29c812cd909085a6e4ea4b61" }, { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "b42c84f9e4ec5bc2885e7fd80c79ec0352f5d2af" }, { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "51ef3073493e2a25dced05fdd59dfb059e7e284d" }, { "version": "119f5e448d32c11faf22fe81f6f2d78467a47149", "status": "affected", "versionType": "git", "lessThan": "f02c41f87cfe61440c18bf77d1ef0a884b9ee2b5" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.10", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.10" }, { "version": "5.10.241", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.179", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.131", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.83", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.19", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13.7", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.13.*" }, { "version": "6.14", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }