{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90124","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.788Z","datePublished":"2026-09-17T16:06:27.254Z","dateUpdated":"2026-09-17T16:06:27.254Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:06:27.254Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/renesas-rzg2l: Fix loss of interrupt\n\nrzg2l_clear_irq_int() and rzg2l_clear_tint_int() perform a\nread-modify-write on the ISCR/TSCR status registers to clear the bit\nfor the interrupt just handled. Since these registers are\nwrite-0-to-clear per bit, this is racy:\n\nIf another interrupt's status bit gets set between the read and the write,\nthat bit is written back as 0 by the software-constructed value, clearing\nan interrupt that hasn't been serviced yet and losing it.\n\nThis can be reproduced by triggering multiple interrupts at once, e.g.:\n\n  gpioset -c gpiochip0 355=0 353=0 328=0 352=0\n\nFix this by writing back only the bit being cleared, with all other bits\nset to 1, instead of read-modify-writing the whole register.  Since 1-bits\nare left unchanged by hardware, concurrently-set status bits for other\ninterrupts are preserved."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-renesas-rzg2l.c"],"versions":[{"version":"3fed09559cd8be79568d368ce02bf7f2d56259b6","lessThan":"c043591f03a8111f7d306b8122c444a949486269","status":"affected","versionType":"git"},{"version":"3fed09559cd8be79568d368ce02bf7f2d56259b6","lessThan":"b5ba8b861b5d833394bd23df3f4b59883ef18c88","status":"affected","versionType":"git"},{"version":"3fed09559cd8be79568d368ce02bf7f2d56259b6","lessThan":"3791e242ec2e5a5cd9e010a75ed1125d0e84d394","status":"affected","versionType":"git"},{"version":"3fed09559cd8be79568d368ce02bf7f2d56259b6","lessThan":"38c6831fefde0ff89f8d2dcb924f957a89dec414","status":"affected","versionType":"git"},{"version":"3fed09559cd8be79568d368ce02bf7f2d56259b6","lessThan":"dbecbe23dc606c4af68b4591a41124186f5c1802","status":"affected","versionType":"git"},{"version":"3fed09559cd8be79568d368ce02bf7f2d56259b6","lessThan":"50b10bd0c2d721ad38abd1abe3acdefb6caa0944","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-renesas-rzg2l.c"],"versions":[{"version":"6.0","status":"affected"},{"version":"0","lessThan":"6.0","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","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:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c043591f03a8111f7d306b8122c444a949486269"},{"url":"https://git.kernel.org/stable/c/b5ba8b861b5d833394bd23df3f4b59883ef18c88"},{"url":"https://git.kernel.org/stable/c/3791e242ec2e5a5cd9e010a75ed1125d0e84d394"},{"url":"https://git.kernel.org/stable/c/38c6831fefde0ff89f8d2dcb924f957a89dec414"},{"url":"https://git.kernel.org/stable/c/dbecbe23dc606c4af68b4591a41124186f5c1802"},{"url":"https://git.kernel.org/stable/c/50b10bd0c2d721ad38abd1abe3acdefb6caa0944"}],"title":"irqchip/renesas-rzg2l: Fix loss of interrupt","x_generator":{"engine":"bippy-1.2.0"}}}}