{"id":"CVE-2026-72026","state":"PUBLISHED","title":"irqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure\n\nimsic_early_acpi_init() allocates a firmware node before setting up the\nIMSIC state. If imsic_setup_state() fails, the function returns without\nfreeing the allocated fwnode.\n\nFree the fwnode and clear the global pointer on this error path, matching\nthe cleanup already done when imsic_early_probe() fails.\n\n[ tglx: Use a common cleanup path instead of copying code around ]","publishedAt":"2026-08-15T05:51:50.581Z","updatedAt":"2026-08-17T05:06:49.893Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"a27f17bad38c5fea3c73281517869af0089a0451","versionType":"git"},{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"a5a367756926de1c21a013ea5ed7fc2219f4cb4f","versionType":"git"},{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"b321a046d7717225c07ba3f4b7b0a4758c2f9d58","versionType":"git"},{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"1358126fbed104e5657955d3ba029b283687ba02","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-riscv-imsic-early.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.12.97","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/irqchip/irq-riscv-imsic-early.c"]}],"references":["https://git.kernel.org/stable/c/a27f17bad38c5fea3c73281517869af0089a0451","https://git.kernel.org/stable/c/a5a367756926de1c21a013ea5ed7fc2219f4cb4f","https://git.kernel.org/stable/c/b321a046d7717225c07ba3f4b7b0a4758c2f9d58","https://git.kernel.org/stable/c/1358126fbed104e5657955d3ba029b283687ba02"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72026.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72026","state":"PUBLISHED","datePublished":"2026-08-15T05:51:50.581Z","dateUpdated":"2026-08-17T05:06:49.893Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.900Z"},"containers":{"cna":{"title":"irqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure\n\nimsic_early_acpi_init() allocates a firmware node before setting up the\nIMSIC state. If imsic_setup_state() fails, the function returns without\nfreeing the allocated fwnode.\n\nFree the fwnode and clear the global pointer on this error path, matching\nthe cleanup already done when imsic_early_probe() fails.\n\n[ tglx: Use a common cleanup path instead of copying code around ]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"a27f17bad38c5fea3c73281517869af0089a0451","versionType":"git"},{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"a5a367756926de1c21a013ea5ed7fc2219f4cb4f","versionType":"git"},{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"b321a046d7717225c07ba3f4b7b0a4758c2f9d58","versionType":"git"},{"version":"fbe826b1c10699a70b81a441fe47b817d1019f37","status":"affected","lessThan":"1358126fbed104e5657955d3ba029b283687ba02","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-riscv-imsic-early.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.12.97","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/irqchip/irq-riscv-imsic-early.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a27f17bad38c5fea3c73281517869af0089a0451"},{"url":"https://git.kernel.org/stable/c/a5a367756926de1c21a013ea5ed7fc2219f4cb4f"},{"url":"https://git.kernel.org/stable/c/b321a046d7717225c07ba3f4b7b0a4758c2f9d58"},{"url":"https://git.kernel.org/stable/c/1358126fbed104e5657955d3ba029b283687ba02"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:06:49.893Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}