CVE-2026-98213

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98213", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.325Z", "datePublished": "2026-10-06T08:44:49.352Z", "dateUpdated": "2026-10-19T09:15:44.065Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:15:44.065Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: core: Cancel SDIO IRQ work before freeing host\n\nA host controller that uses sdio_signal_irq() schedules host->sdio_irq_work\nfrom its interrupt handler. That work is only cancelled on the suspend\npath (mmc_sdio_suspend()), not on the remove/free path, so a worker armed\njust before the controller freed its IRQ can run after\nmmc_host_classdev_release() has freed the host and dereference it through\ncontainer_of().\n\nCancel host->sdio_irq_work in mmc_free_host(), like the existing\nhost->detect drain added by commit 1036f69e2513 (\"mmc: core: Cancel\ndelayed work before releasing host\").\n\nThis issue was found by an in-house static analysis tool."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mmc/core/host.c"], "versions": [{"version": "682696605c7093d2800c498c04166831e5aedf87", "lessThan": "bae1cf4f9902b2065bd78b759c7fe6312855f05e", "status": "affected", "versionType": "git"}, {"version": "682696605c7093d2800c498c04166831e5aedf87", "lessThan": "0bf3d168a2cc20b120d6b50f0a8ac5b40ff4d589", "status": "affected", "versionType": "git"}, {"version": "682696605c7093d2800c498c04166831e5aedf87", "lessThan": "1d6e7315ee1c992b4ca42c9b11c5ed0e925a00e0", "status": "affected", "versionType": "git"}, {"version": "682696605c7093d2800c498c04166831e5aedf87", "lessThan": "4553b5004eca9c9eae29a421f1a9c4d5db2c9114", "status": "affected", "versionType": "git"}, {"version": "682696605c7093d2800c498c04166831e5aedf87", "lessThan": "2a863458828ade0671c2bc2e469bbd7f2340eb03", "status": "affected", "versionType": "git"}, {"version": "682696605c7093d2800c498c04166831e5aedf87", "lessThan": "6feadbecdae60a6324c967f3b1493741083793a3", "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/mmc/core/host.c"], "versions": [{"version": "4.13", "status": "affected"}, {"version": "0", "lessThan": "4.13", "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": "4.13", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bae1cf4f9902b2065bd78b759c7fe6312855f05e"}, {"url": "https://git.kernel.org/stable/c/0bf3d168a2cc20b120d6b50f0a8ac5b40ff4d589"}, {"url": "https://git.kernel.org/stable/c/1d6e7315ee1c992b4ca42c9b11c5ed0e925a00e0"}, {"url": "https://git.kernel.org/stable/c/4553b5004eca9c9eae29a421f1a9c4d5db2c9114"}, {"url": "https://git.kernel.org/stable/c/2a863458828ade0671c2bc2e469bbd7f2340eb03"}, {"url": "https://git.kernel.org/stable/c/6feadbecdae60a6324c967f3b1493741083793a3"}], "title": "mmc: core: Cancel SDIO IRQ work before freeing host", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mmc/core/host.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "bae1cf4f9902b2065bd78b759c7fe6312855f05e", "status": "affected", "version": "682696605c7093d2800c498c04166831e5aedf87", "versionType": "git"}, {"lessThan": "0bf3d168a2cc20b120d6b50f0a8ac5b40ff4d589", "status": "affected", "version": "682696605c7093d2800c498c04166831e5aedf87", "versionType": "git"}, {"lessThan": "1d6e7315ee1c992b4ca42c9b11c5ed0e925a00e0", "status": "affected", "version": "682696605c7093d2800c498c04166831e5aedf87", "versionType": "git"}, {"lessThan": "4553b5004eca9c9eae29a421f1a9c4d5db2c9114", "status": "affected", "version": "682696605c7093d2800c498c04166831e5aedf87", "versionType": "git"}, {"lessThan": "2a863458828ade0671c2bc2e469bbd7f2340eb03", "status": "affected", "version": "682696605c7093d2800c498c04166831e5aedf87", "versionType": "git"}, {"lessThan": "6feadbecdae60a6324c967f3b1493741083793a3", "status": "affected", "version": "682696605c7093d2800c498c04166831e5aedf87", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mmc/core/host.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.13"}, {"lessThan": "4.13", "status": "unaffected", "version": "0", "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\nmmc: core: Cancel SDIO IRQ work before freeing host\n\nA host controller that uses sdio_signal_irq() schedules host->sdio_irq_work\nfrom its interrupt handler. That work is only cancelled on the suspend\npath (mmc_sdio_suspend()), not on the remove/free path, so a worker armed\njust before the controller freed its IRQ can run after\nmmc_host_classdev_release() has freed the host and dereference it through\ncontainer_of().\n\nCancel host->sdio_irq_work in mmc_free_host(), like the existing\nhost->detect drain added by commit 1036f69e2513 (\"mmc: core: Cancel\ndelayed work before releasing host\").\n\nThis issue was found by an in-house static analysis tool."}], "id": "CVE-2026-98213", "lastModified": "2026-10-19T10:18:22.010", "metrics": {}, "published": "2026-10-06T09:18:07.770", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0bf3d168a2cc20b120d6b50f0a8ac5b40ff4d589"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d6e7315ee1c992b4ca42c9b11c5ed0e925a00e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a863458828ade0671c2bc2e469bbd7f2340eb03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4553b5004eca9c9eae29a421f1a9c4d5db2c9114"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6feadbecdae60a6324c967f3b1493741083793a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bae1cf4f9902b2065bd78b759c7fe6312855f05e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: mmc: core: Cancel SDIO IRQ work before freeing host", "id": "2546417", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546417"}, "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-825", "details": ["A flaw was found in the Linux kernel's MultiMediaCard (MMC) subsystem. This issue allows a local user to cause a Denial of Service (DoS) or memory corruption. The vulnerability occurs because pending interrupt handling work is not properly cancelled before host memory is freed during device removal, leading to a use-after-free condition when the scheduled worker executes."], "name": "CVE-2026-98213", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "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": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98213\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98213\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98213.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[682696605c7093d2800c498c04166831e5aedf87,bae1cf4f9902b2065bd78b759c7fe6312855f05e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[682696605c7093d2800c498c04166831e5aedf87,0bf3d168a2cc20b120d6b50f0a8ac5b40ff4d589)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[682696605c7093d2800c498c04166831e5aedf87,1d6e7315ee1c992b4ca42c9b11c5ed0e925a00e0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[682696605c7093d2800c498c04166831e5aedf87,4553b5004eca9c9eae29a421f1a9c4d5db2c9114)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[682696605c7093d2800c498c04166831e5aedf87,2a863458828ade0671c2bc2e469bbd7f2340eb03)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[682696605c7093d2800c498c04166831e5aedf87,6feadbecdae60a6324c967f3b1493741083793a3)"}}], "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": "semver", "value": "4.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.189,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.158,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.112,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.54,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.8,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc4,*]"}}], "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": "2026-10-06T12:15:15.079723+00:00", "updated": "2026-10-09T17:00:09.868377+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}