{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98721", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.366Z", "datePublished": "2026-10-18T15:46:56.857Z", "dateUpdated": "2026-10-21T12:56:03.567Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:56:03.567Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: cadence: Initialize IRQ state before requesting IRQ\n\nThe Cadence NAND interrupt handler uses both the IRQ lock and completion\nobject. Registering the IRQ before initializing them leaves a window in\nwhich a pending interrupt can access uninitialized synchronization state.\n\nInitialize them before registering the handler."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/nand/raw/cadence-nand-controller.c"], "versions": [{"version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "lessThan": "c69d8aceda362c95bbc4e2182f5829275a7db0c8", "status": "affected", "versionType": "git"}, {"version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "lessThan": "24319f25b641e55f84e55455092a39a2485c78d4", "status": "affected", "versionType": "git"}, {"version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "lessThan": "1ed0ccd5649154bfc00ab11c59262d4f42515252", "status": "affected", "versionType": "git"}, {"version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "lessThan": "bbd87eca5407288f2b63ff9357c611cd57e7e640", "status": "affected", "versionType": "git"}, {"version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "lessThan": "21f027016b1290d13c30b198ae7a00e6b3d1d5a5", "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/mtd/nand/raw/cadence-nand-controller.c"], "versions": [{"version": "5.5", "status": "affected"}, {"version": "0", "lessThan": "5.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.5", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c69d8aceda362c95bbc4e2182f5829275a7db0c8"}, {"url": "https://git.kernel.org/stable/c/24319f25b641e55f84e55455092a39a2485c78d4"}, {"url": "https://git.kernel.org/stable/c/1ed0ccd5649154bfc00ab11c59262d4f42515252"}, {"url": "https://git.kernel.org/stable/c/bbd87eca5407288f2b63ff9357c611cd57e7e640"}, {"url": "https://git.kernel.org/stable/c/21f027016b1290d13c30b198ae7a00e6b3d1d5a5"}], "title": "mtd: rawnand: cadence: Initialize IRQ state before requesting IRQ", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mtd/nand/raw/cadence-nand-controller.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c69d8aceda362c95bbc4e2182f5829275a7db0c8", "status": "affected", "version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "versionType": "git"}, {"lessThan": "24319f25b641e55f84e55455092a39a2485c78d4", "status": "affected", "version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "versionType": "git"}, {"lessThan": "1ed0ccd5649154bfc00ab11c59262d4f42515252", "status": "affected", "version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "versionType": "git"}, {"lessThan": "bbd87eca5407288f2b63ff9357c611cd57e7e640", "status": "affected", "version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "versionType": "git"}, {"lessThan": "21f027016b1290d13c30b198ae7a00e6b3d1d5a5", "status": "affected", "version": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mtd/nand/raw/cadence-nand-controller.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.5"}, {"lessThan": "5.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nmtd: rawnand: cadence: Initialize IRQ state before requesting IRQ\n\nThe Cadence NAND interrupt handler uses both the IRQ lock and completion\nobject. Registering the IRQ before initializing them leaves a window in\nwhich a pending interrupt can access uninitialized synchronization state.\n\nInitialize them before registering the handler."}], "id": "CVE-2026-98721", "lastModified": "2026-10-21T13:21:39.923", "metrics": {}, "published": "2026-10-18T16:17:25.713", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ed0ccd5649154bfc00ab11c59262d4f42515252"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/21f027016b1290d13c30b198ae7a00e6b3d1d5a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/24319f25b641e55f84e55455092a39a2485c78d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bbd87eca5407288f2b63ff9357c611cd57e7e640"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c69d8aceda362c95bbc4e2182f5829275a7db0c8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: mtd: rawnand: cadence: Initialize IRQ state before requesting IRQ", "id": "2555048", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555048"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmtd: rawnand: cadence: Initialize IRQ state before requesting IRQ\nThe Cadence NAND interrupt handler uses both the IRQ lock and completion\nobject. Registering the IRQ before initializing them leaves a window in\nwhich a pending interrupt can access uninitialized synchronization state.\nInitialize them before registering the handler.", "A flaw was found in the Linux kernel's Cadence NAND controller driver. The driver registers its interrupt handler before initializing the internal synchronization lock and completion objects. A pending interrupt during initialization can trigger the handler to access this uninitialized state, potentially resulting in a system crash and Denial of Service (DoS)."], "name": "CVE-2026-98721", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98721\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98721\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98721.mbox"], "threat_severity": "Moderate"}