{"id":"CVE-2026-90123","state":"PUBLISHED","title":"irqchip/ast2700-intc: Avoid allocating in the irq_domain activate() callback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/ast2700-intc: Avoid allocating in the irq_domain activate() callback\n\nThe interrupt core calls the irq_domain_activate() callback from\n__setup_irq() with desc->lock held and interrupts disabled. Both\naspeed_intc1_irq_domain_activate() and aspeed_intc0_resolve_route() test a\ncompatible string with fwnode_device_is_compatible().\n\nfwnode_device_is_compatible() invokes fwnode_property_match_string(), which\nallocates with GFP_KERNEL. That's obviously not possible with interrupts\ndisabled and a raw spinlock held.\n\nBoth call sites are only ever handed OF nodes, so use\nof_device_is_compatible() instead: it walks the property in place and does\nnot allocate.","publishedAt":"2026-09-17T16:06:26.567Z","updatedAt":"2026-10-19T08:58:21.572Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"07825e41519abb8ac13d6d1c553af47f57775f6b","status":"affected","lessThan":"f2f0da11648616e47419dca93610f6c0d70ec00b","versionType":"git"},{"version":"07825e41519abb8ac13d6d1c553af47f57775f6b","status":"affected","lessThan":"b76eee9c2157223aa4aac42ceebb563288e078aa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-ast2700-intc0.c","drivers/irqchip/irq-ast2700-intc1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.2","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-ast2700-intc0.c","drivers/irqchip/irq-ast2700-intc1.c"]}],"references":["https://git.kernel.org/stable/c/f2f0da11648616e47419dca93610f6c0d70ec00b","https://git.kernel.org/stable/c/b76eee9c2157223aa4aac42ceebb563288e078aa"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90123.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90123","state":"PUBLISHED","datePublished":"2026-09-17T16:06:26.567Z","dateUpdated":"2026-10-19T08:58:21.572Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.788Z"},"containers":{"cna":{"title":"irqchip/ast2700-intc: Avoid allocating in the irq_domain activate() callback","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/ast2700-intc: Avoid allocating in the irq_domain activate() callback\n\nThe interrupt core calls the irq_domain_activate() callback from\n__setup_irq() with desc->lock held and interrupts disabled. Both\naspeed_intc1_irq_domain_activate() and aspeed_intc0_resolve_route() test a\ncompatible string with fwnode_device_is_compatible().\n\nfwnode_device_is_compatible() invokes fwnode_property_match_string(), which\nallocates with GFP_KERNEL. That's obviously not possible with interrupts\ndisabled and a raw spinlock held.\n\nBoth call sites are only ever handed OF nodes, so use\nof_device_is_compatible() instead: it walks the property in place and does\nnot allocate."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"07825e41519abb8ac13d6d1c553af47f57775f6b","status":"affected","lessThan":"f2f0da11648616e47419dca93610f6c0d70ec00b","versionType":"git"},{"version":"07825e41519abb8ac13d6d1c553af47f57775f6b","status":"affected","lessThan":"b76eee9c2157223aa4aac42ceebb563288e078aa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-ast2700-intc0.c","drivers/irqchip/irq-ast2700-intc1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.2","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-ast2700-intc0.c","drivers/irqchip/irq-ast2700-intc1.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f2f0da11648616e47419dca93610f6c0d70ec00b"},{"url":"https://git.kernel.org/stable/c/b76eee9c2157223aa4aac42ceebb563288e078aa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:58:21.572Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}