{"id":"CVE-2026-72062","state":"PUBLISHED","title":"gpio: mt7621: avoid corruption of shared interrupt trigger state","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: mt7621: avoid corruption of shared interrupt trigger state\n\nThe bank-shared fields like 'rising' and 'falling' are modified using\nnon-atomic read-modify-write operations. Since every gpio chip instance\nrepresents an entire bank of 32 pins, if 'mediatek_gpio_irq_type()' is\ncalled concurrently for different IRQs on the same bank a possible overwrite\nof each other's configuration is possible. Thus, protect this state with\n'gpio_generic_lock_irqsave' lock in the same way it is handled in irp_chip\n'mediatek_gpio_irq_mask()' and 'mediatek_gpio_irq_unmask()' callbacks.","publishedAt":"2026-08-15T05:52:16.564Z","updatedAt":"2026-08-23T12:46:38.586Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"bddf9314a57a243dd11ed945ba11e146e331257e","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"207d3ebf36f654a43a934addeb4d6775cb2dd667","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"877a243006788aaa586b2d087f27c9f3628071b0","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"d3b9026ef78da3018a7d2c5a9c9d611de6d45c47","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"a60a40c9ba30edd06d3fb4215fdf430ed968728e","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"1781172526d1092323af443fa03f00e6de560401","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mt7621.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"6.1.184","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mt7621.c"]}],"references":["https://git.kernel.org/stable/c/bddf9314a57a243dd11ed945ba11e146e331257e","https://git.kernel.org/stable/c/207d3ebf36f654a43a934addeb4d6775cb2dd667","https://git.kernel.org/stable/c/877a243006788aaa586b2d087f27c9f3628071b0","https://git.kernel.org/stable/c/d3b9026ef78da3018a7d2c5a9c9d611de6d45c47","https://git.kernel.org/stable/c/a60a40c9ba30edd06d3fb4215fdf430ed968728e","https://git.kernel.org/stable/c/1781172526d1092323af443fa03f00e6de560401"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72062.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72062","state":"PUBLISHED","datePublished":"2026-08-15T05:52:16.564Z","dateUpdated":"2026-08-23T12:46:38.586Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.903Z"},"containers":{"cna":{"title":"gpio: mt7621: avoid corruption of shared interrupt trigger state","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: mt7621: avoid corruption of shared interrupt trigger state\n\nThe bank-shared fields like 'rising' and 'falling' are modified using\nnon-atomic read-modify-write operations. Since every gpio chip instance\nrepresents an entire bank of 32 pins, if 'mediatek_gpio_irq_type()' is\ncalled concurrently for different IRQs on the same bank a possible overwrite\nof each other's configuration is possible. Thus, protect this state with\n'gpio_generic_lock_irqsave' lock in the same way it is handled in irp_chip\n'mediatek_gpio_irq_mask()' and 'mediatek_gpio_irq_unmask()' callbacks."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"bddf9314a57a243dd11ed945ba11e146e331257e","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"207d3ebf36f654a43a934addeb4d6775cb2dd667","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"877a243006788aaa586b2d087f27c9f3628071b0","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"d3b9026ef78da3018a7d2c5a9c9d611de6d45c47","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"a60a40c9ba30edd06d3fb4215fdf430ed968728e","versionType":"git"},{"version":"4ba9c3afda41213ec98c30053e32963892e6dc7c","status":"affected","lessThan":"1781172526d1092323af443fa03f00e6de560401","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mt7621.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"6.1.184","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mt7621.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bddf9314a57a243dd11ed945ba11e146e331257e"},{"url":"https://git.kernel.org/stable/c/207d3ebf36f654a43a934addeb4d6775cb2dd667"},{"url":"https://git.kernel.org/stable/c/877a243006788aaa586b2d087f27c9f3628071b0"},{"url":"https://git.kernel.org/stable/c/d3b9026ef78da3018a7d2c5a9c9d611de6d45c47"},{"url":"https://git.kernel.org/stable/c/a60a40c9ba30edd06d3fb4215fdf430ed968728e"},{"url":"https://git.kernel.org/stable/c/1781172526d1092323af443fa03f00e6de560401"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-23T12:46:38.586Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.184"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}