{"id":"CVE-2026-64230","state":"PUBLISHED","title":"regulator: tps65219: fix irq_data.rdev not being assigned","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: tps65219: fix irq_data.rdev not being assigned\n\nCommit 64a6b577490c (\"regulator: tps65219: Remove debugging helper\nfunction\") removed the tps65219_get_rdev_by_name() helper along with\nthe irq_data.rdev assignment that depended on it. This left\nirq_data.rdev uninitialized for all IRQs, causing undefined behavior\nwhen regulator_notifier_call_chain() is called from the IRQ handler:\n\n  Internal error: Oops: 0000000096000004\n  pc : regulator_notifier_call_chain\n  lr : tps65219_regulator_irq_handler\n  Call trace:\n   regulator_notifier_call_chain\n   tps65219_regulator_irq_handler\n   handle_nested_irq\n   regmap_irq_thread\n   irq_thread_fn\n   irq_thread\n   kthread\n   ret_from_fork\n\nInstead of restoring a dedicated lookup array, restructure the probe\nfunction to combine regulator registration with IRQ registration in\nthe same loop. This way the rdev returned by devm_regulator_register()\nis naturally available for assigning to irq_data.rdev without any\nauxiliary data structure.\n\nNon-regulator IRQs (SENSOR, TIMEOUT) that don't correspond to any\nregistered regulator are registered with rdev=NULL, and the IRQ handler\nis protected with a NULL check to avoid crashing.","publishedAt":"2026-07-24T15:23:12.616Z","updatedAt":"2026-07-24T15:23:12.616Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64a6b577490c1c71f1a3bbdb3844717815214621","status":"affected","lessThan":"6827647fd2dcf4e7f355478a42e82f51e0b5344c","versionType":"git"},{"version":"64a6b577490c1c71f1a3bbdb3844717815214621","status":"affected","lessThan":"b986f88b22a5374191c195c073350bbeb1bb6518","versionType":"git"},{"version":"64a6b577490c1c71f1a3bbdb3844717815214621","status":"affected","lessThan":"f9b2d3b703d13df50c630997dfdc25648e96db0d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/tps65219-regulator.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/tps65219-regulator.c"]}],"references":["https://git.kernel.org/stable/c/6827647fd2dcf4e7f355478a42e82f51e0b5344c","https://git.kernel.org/stable/c/b986f88b22a5374191c195c073350bbeb1bb6518","https://git.kernel.org/stable/c/f9b2d3b703d13df50c630997dfdc25648e96db0d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64230.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64230","state":"PUBLISHED","datePublished":"2026-07-24T15:23:12.616Z","dateUpdated":"2026-07-24T15:23:12.616Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.771Z"},"containers":{"cna":{"title":"regulator: tps65219: fix irq_data.rdev not being assigned","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: tps65219: fix irq_data.rdev not being assigned\n\nCommit 64a6b577490c (\"regulator: tps65219: Remove debugging helper\nfunction\") removed the tps65219_get_rdev_by_name() helper along with\nthe irq_data.rdev assignment that depended on it. This left\nirq_data.rdev uninitialized for all IRQs, causing undefined behavior\nwhen regulator_notifier_call_chain() is called from the IRQ handler:\n\n  Internal error: Oops: 0000000096000004\n  pc : regulator_notifier_call_chain\n  lr : tps65219_regulator_irq_handler\n  Call trace:\n   regulator_notifier_call_chain\n   tps65219_regulator_irq_handler\n   handle_nested_irq\n   regmap_irq_thread\n   irq_thread_fn\n   irq_thread\n   kthread\n   ret_from_fork\n\nInstead of restoring a dedicated lookup array, restructure the probe\nfunction to combine regulator registration with IRQ registration in\nthe same loop. This way the rdev returned by devm_regulator_register()\nis naturally available for assigning to irq_data.rdev without any\nauxiliary data structure.\n\nNon-regulator IRQs (SENSOR, TIMEOUT) that don't correspond to any\nregistered regulator are registered with rdev=NULL, and the IRQ handler\nis protected with a NULL check to avoid crashing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64a6b577490c1c71f1a3bbdb3844717815214621","status":"affected","lessThan":"6827647fd2dcf4e7f355478a42e82f51e0b5344c","versionType":"git"},{"version":"64a6b577490c1c71f1a3bbdb3844717815214621","status":"affected","lessThan":"b986f88b22a5374191c195c073350bbeb1bb6518","versionType":"git"},{"version":"64a6b577490c1c71f1a3bbdb3844717815214621","status":"affected","lessThan":"f9b2d3b703d13df50c630997dfdc25648e96db0d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/tps65219-regulator.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/tps65219-regulator.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6827647fd2dcf4e7f355478a42e82f51e0b5344c"},{"url":"https://git.kernel.org/stable/c/b986f88b22a5374191c195c073350bbeb1bb6518"},{"url":"https://git.kernel.org/stable/c/f9b2d3b703d13df50c630997dfdc25648e96db0d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-24T15:23:12.616Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}