CVE-2026-98426

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98426", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.348Z", "datePublished": "2026-10-14T13:27:53.177Z", "dateUpdated": "2026-10-19T09:19:20.215Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:19:20.215Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path\n\nmwifiex_pcie_request_irq() registers each MSI-X vector with a per-index\ndev_id (&card->msix_ctx[i]). On a request_irq() failure the cleanup loop\n\"for (j = 0; j < i; j++)\" frees msix_entries[j].vector but passes the\nfailed index's &card->msix_ctx[i] as the dev_id. free_irq() matches on\n(irq, dev_id), so it fails to find the action registered with\n&card->msix_ctx[j]: the already-requested IRQ j is not freed (leaked) and\nfree_irq() warns about freeing a non-existent IRQ. Use &card->msix_ctx[j]."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/marvell/mwifiex/pcie.c"], "versions": [{"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "11bc2cbb14f450eaa47cce9eb086f948ef8f4bcd", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "1a60cb2292194cc9eafae7ca8a8a72d37ae78d97", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "fcac5813f324cd07dfd36b4adf624fc70f7587d6", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "2761b21cb896b1da8dd46cee5084c9032b2d7098", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "5fd4cc87e6cc0839aac89c24ebe39ce262fe088f", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "0969c9688389f2e0f65b1a924b0dd6625a3bb776", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "03d5e4776e8b71c2468c5c3c48b39202c87a8796", "status": "affected", "versionType": "git"}, {"version": "99074fc1e67b374b5c72406a23ac01fed806d634", "lessThan": "a3d722190cdef18da4878b5efc27c3c386dda248", "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/net/wireless/marvell/mwifiex/pcie.c"], "versions": [{"version": "4.6", "status": "affected"}, {"version": "0", "lessThan": "4.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "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": "4.6", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/11bc2cbb14f450eaa47cce9eb086f948ef8f4bcd"}, {"url": "https://git.kernel.org/stable/c/1a60cb2292194cc9eafae7ca8a8a72d37ae78d97"}, {"url": "https://git.kernel.org/stable/c/fcac5813f324cd07dfd36b4adf624fc70f7587d6"}, {"url": "https://git.kernel.org/stable/c/2761b21cb896b1da8dd46cee5084c9032b2d7098"}, {"url": "https://git.kernel.org/stable/c/5fd4cc87e6cc0839aac89c24ebe39ce262fe088f"}, {"url": "https://git.kernel.org/stable/c/0969c9688389f2e0f65b1a924b0dd6625a3bb776"}, {"url": "https://git.kernel.org/stable/c/03d5e4776e8b71c2468c5c3c48b39202c87a8796"}, {"url": "https://git.kernel.org/stable/c/a3d722190cdef18da4878b5efc27c3c386dda248"}], "title": "wifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/marvell/mwifiex/pcie.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "11bc2cbb14f450eaa47cce9eb086f948ef8f4bcd", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "1a60cb2292194cc9eafae7ca8a8a72d37ae78d97", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "fcac5813f324cd07dfd36b4adf624fc70f7587d6", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "2761b21cb896b1da8dd46cee5084c9032b2d7098", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "5fd4cc87e6cc0839aac89c24ebe39ce262fe088f", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "0969c9688389f2e0f65b1a924b0dd6625a3bb776", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "03d5e4776e8b71c2468c5c3c48b39202c87a8796", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}, {"lessThan": "a3d722190cdef18da4878b5efc27c3c386dda248", "status": "affected", "version": "99074fc1e67b374b5c72406a23ac01fed806d634", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/marvell/mwifiex/pcie.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.6"}, {"lessThan": "4.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "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\nwifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path\n\nmwifiex_pcie_request_irq() registers each MSI-X vector with a per-index\ndev_id (&card->msix_ctx[i]). On a request_irq() failure the cleanup loop\n\"for (j = 0; j < i; j++)\" frees msix_entries[j].vector but passes the\nfailed index's &card->msix_ctx[i] as the dev_id. free_irq() matches on\n(irq, dev_id), so it fails to find the action registered with\n&card->msix_ctx[j]: the already-requested IRQ j is not freed (leaked) and\nfree_irq() warns about freeing a non-existent IRQ. Use &card->msix_ctx[j]."}], "id": "CVE-2026-98426", "lastModified": "2026-10-19T10:18:49.173", "metrics": {}, "published": "2026-10-14T14:17:54.220", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/03d5e4776e8b71c2468c5c3c48b39202c87a8796"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0969c9688389f2e0f65b1a924b0dd6625a3bb776"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11bc2cbb14f450eaa47cce9eb086f948ef8f4bcd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a60cb2292194cc9eafae7ca8a8a72d37ae78d97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2761b21cb896b1da8dd46cee5084c9032b2d7098"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5fd4cc87e6cc0839aac89c24ebe39ce262fe088f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3d722190cdef18da4878b5efc27c3c386dda248"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcac5813f324cd07dfd36b4adf624fc70f7587d6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path", "id": "2552223", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552223"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path\nmwifiex_pcie_request_irq() registers each MSI-X vector with a per-index\ndev_id (&card->msix_ctx[i]). On a request_irq() failure the cleanup loop\n\"for (j = 0; j < i; j++)\" frees msix_entries[j].vector but passes the\nfailed index's &card->msix_ctx[i] as the dev_id. free_irq() matches on\n(irq, dev_id), so it fails to find the action registered with\n&card->msix_ctx[j]: the already-requested IRQ j is not freed (leaked) and\nfree_irq() warns about freeing a non-existent IRQ. Use &card->msix_ctx[j].", "A flaw was found in the Linux kernel's Marvell WiFi-Ex (mwifiex) driver. When an error occurs during interrupt registration in the PCIe interface, the cleanup path references an incorrect context index when attempting to release Message Signaled Interrupts (MSI-X). A local user able to trigger device initialization failures could cause an interrupt request (IRQ) leak and kernel warnings, leading to resource exhaustion and a Denial of Service (DoS)."], "name": "CVE-2026-98426", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98426\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98426\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98426.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,11bc2cbb14f450eaa47cce9eb086f948ef8f4bcd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,1a60cb2292194cc9eafae7ca8a8a72d37ae78d97)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,fcac5813f324cd07dfd36b4adf624fc70f7587d6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,2761b21cb896b1da8dd46cee5084c9032b2d7098)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,5fd4cc87e6cc0839aac89c24ebe39ce262fe088f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,0969c9688389f2e0f65b1a924b0dd6625a3bb776)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,03d5e4776e8b71c2468c5c3c48b39202c87a8796)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[99074fc1e67b374b5c72406a23ac01fed806d634,a3d722190cdef18da4878b5efc27c3c386dda248)"}}], "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": "4.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.271,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.222,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.189,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "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": "2026-10-15T04:00:11.705462+00:00", "updated": "2026-10-19T22:15:05.303070+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}