CVE-2026-72026

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72026", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.900Z", "datePublished": "2026-08-15T05:51:50.581Z", "dateUpdated": "2026-08-17T05:06:49.893Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:06:49.893Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/irqchip/irq-riscv-imsic-early.c"], "versions": [{"version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "lessThan": "a27f17bad38c5fea3c73281517869af0089a0451", "status": "affected", "versionType": "git"}, {"version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "lessThan": "a5a367756926de1c21a013ea5ed7fc2219f4cb4f", "status": "affected", "versionType": "git"}, {"version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "lessThan": "b321a046d7717225c07ba3f4b7b0a4758c2f9d58", "status": "affected", "versionType": "git"}, {"version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "lessThan": "1358126fbed104e5657955d3ba029b283687ba02", "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-riscv-imsic-early.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.12", "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"}]}]}], "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"}], "title": "irqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/irqchip/irq-riscv-imsic-early.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a27f17bad38c5fea3c73281517869af0089a0451", "status": "affected", "version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "versionType": "git"}, {"lessThan": "a5a367756926de1c21a013ea5ed7fc2219f4cb4f", "status": "affected", "version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "versionType": "git"}, {"lessThan": "b321a046d7717225c07ba3f4b7b0a4758c2f9d58", "status": "affected", "version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "versionType": "git"}, {"lessThan": "1358126fbed104e5657955d3ba029b283687ba02", "status": "affected", "version": "fbe826b1c10699a70b81a441fe47b817d1019f37", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/irqchip/irq-riscv-imsic-early.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.12"}, {"lessThan": "6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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 ]"}], "id": "CVE-2026-72026", "lastModified": "2026-08-17T06:18:00.330", "metrics": {}, "published": "2026-08-15T06:21:01.730", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1358126fbed104e5657955d3ba029b283687ba02"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a27f17bad38c5fea3c73281517869af0089a0451"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a5a367756926de1c21a013ea5ed7fc2219f4cb4f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b321a046d7717225c07ba3f4b7b0a4758c2f9d58"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: irqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure", "id": "2516677", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516677"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's RISC-V Interrupt Controller (IMSIC) early initialization. The imsic_early_acpi_init() function allocates a firmware node but fails to free it if the IMSIC state setup encounters an error. This oversight leads to a memory leak, which could potentially result in resource exhaustion and system instability, leading to a Denial of Service (DoS)."], "name": "CVE-2026-72026", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72026\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72026\nhttps://lore.kernel.org/linux-cve-announce/2026081510-CVE-2026-72026-3cc8@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fbe826b1c10699a70b81a441fe47b817d1019f37,a27f17bad38c5fea3c73281517869af0089a0451)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fbe826b1c10699a70b81a441fe47b817d1019f37,a5a367756926de1c21a013ea5ed7fc2219f4cb4f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fbe826b1c10699a70b81a441fe47b817d1019f37,b321a046d7717225c07ba3f4b7b0a4758c2f9d58)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fbe826b1c10699a70b81a441fe47b817d1019f37,1358126fbed104e5657955d3ba029b283687ba02)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T09:15:04.418795+00:00", "updated": "2026-08-18T04:00:10.859078+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}