CVE-2026-98533

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98533", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.355Z", "datePublished": "2026-10-18T15:17:51.339Z", "dateUpdated": "2026-10-19T09:21:16.820Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:21:16.820Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipe: protect the dm-verity root hash with RCU\n\nipe_bdev_setintegrity() frees the old root hash when dm-verity publishes\na new one on ->preresume, while policy evaluation can still be\ndereferencing it.\n\nProtect the root hash with RCU. The evaluation path already runs under\nrcu_read_lock().\n\n[FW: remove model name according to latest guideline]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/ipe/eval.c", "security/ipe/eval.h", "security/ipe/hooks.c"], "versions": [{"version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "lessThan": "3bd335ed62444bec61201df7d368a0779e5bd300", "status": "affected", "versionType": "git"}, {"version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "lessThan": "599d0498a39319285afa908762e0c9fad29f772e", "status": "affected", "versionType": "git"}, {"version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "lessThan": "d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1", "status": "affected", "versionType": "git"}, {"version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "lessThan": "2776e9c28513a1c855a94792b292cbcc533418c8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/ipe/eval.c", "security/ipe/eval.h", "security/ipe/hooks.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.55", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.9", "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": "6.12", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3bd335ed62444bec61201df7d368a0779e5bd300"}, {"url": "https://git.kernel.org/stable/c/599d0498a39319285afa908762e0c9fad29f772e"}, {"url": "https://git.kernel.org/stable/c/d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1"}, {"url": "https://git.kernel.org/stable/c/2776e9c28513a1c855a94792b292cbcc533418c8"}], "title": "ipe: protect the dm-verity root hash with RCU", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["security/ipe/eval.c", "security/ipe/eval.h", "security/ipe/hooks.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3bd335ed62444bec61201df7d368a0779e5bd300", "status": "affected", "version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "versionType": "git"}, {"lessThan": "599d0498a39319285afa908762e0c9fad29f772e", "status": "affected", "version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "versionType": "git"}, {"lessThan": "d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1", "status": "affected", "version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "versionType": "git"}, {"lessThan": "2776e9c28513a1c855a94792b292cbcc533418c8", "status": "affected", "version": "e155858dd99523d4afe0f74e9c26e4f4499eb5af", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["security/ipe/eval.c", "security/ipe/eval.h", "security/ipe/hooks.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": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.55", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.9", "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\nipe: protect the dm-verity root hash with RCU\n\nipe_bdev_setintegrity() frees the old root hash when dm-verity publishes\na new one on ->preresume, while policy evaluation can still be\ndereferencing it.\n\nProtect the root hash with RCU. The evaluation path already runs under\nrcu_read_lock().\n\n[FW: remove model name according to latest guideline]"}], "id": "CVE-2026-98533", "lastModified": "2026-10-19T10:19:08.843", "metrics": {}, "published": "2026-10-18T16:17:04.933", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2776e9c28513a1c855a94792b292cbcc533418c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3bd335ed62444bec61201df7d368a0779e5bd300"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/599d0498a39319285afa908762e0c9fad29f772e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ipe: protect the dm-verity root hash with RCU", "id": "2554919", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554919"}, "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-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipe: protect the dm-verity root hash with RCU\nipe_bdev_setintegrity() frees the old root hash when dm-verity publishes\na new one on ->preresume, while policy evaluation can still be\ndereferencing it.\nProtect the root hash with RCU. The evaluation path already runs under\nrcu_read_lock().\n[FW: remove model name according to latest guideline]", "A flaw was found in the Linux kernel's Integrity Policy Enforcement (IPE) subsystem. When dm-verity updates a root hash, the old hash can be freed while concurrent policy evaluation operations are still accessing it. A local attacker could exploit this use-after-free condition to trigger a Denial of Service (DoS) via a system crash or potentially cause memory corruption."], "name": "CVE-2026-98533", "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-2026-98533\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98533\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98533.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e155858dd99523d4afe0f74e9c26e4f4499eb5af,3bd335ed62444bec61201df7d368a0779e5bd300)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e155858dd99523d4afe0f74e9c26e4f4499eb5af,599d0498a39319285afa908762e0c9fad29f772e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e155858dd99523d4afe0f74e9c26e4f4499eb5af,d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e155858dd99523d4afe0f74e9c26e4f4499eb5af,2776e9c28513a1c855a94792b292cbcc533418c8)"}}], "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": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.55,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.9,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc5,*]"}}], "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": "2026-10-18T17:30:16.959809+00:00", "updated": "2026-10-20T12:15:14.051832+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-825"]}