CVE-2026-98652

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98652", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.362Z", "datePublished": "2026-10-18T15:20:23.975Z", "dateUpdated": "2026-10-19T09:23:21.668Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:23:21.668Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Add missing srcu in kvm_s390_set_irq_state()\n\nLike kvm_s390_inject_vcpu(), kvm_s390_set_irq_state() also needs the\nkvm->srcu or the slots lock when performing the Store status operation.\n\nFix by taking kvm->srcu in kvm_s390_set_irq_state()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/s390/interrupt.c"], "versions": [{"version": "ba5c1e9b6ceebdc39343cc03eb39f077abd3c571", "lessThan": "7a33007b95c8908ae3980eb2b4c508f8936766df", "status": "affected", "versionType": "git"}, {"version": "ba5c1e9b6ceebdc39343cc03eb39f077abd3c571", "lessThan": "f3a557067d57ce6ae98d485c8009b223e16f5f36", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/s390/interrupt.c"], "versions": [{"version": "2.6.26", "status": "affected"}, {"version": "0", "lessThan": "2.6.26", "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": "2.6.26", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7a33007b95c8908ae3980eb2b4c508f8936766df"}, {"url": "https://git.kernel.org/stable/c/f3a557067d57ce6ae98d485c8009b223e16f5f36"}], "title": "KVM: s390: Add missing srcu in kvm_s390_set_irq_state()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/s390/kvm/s390/interrupt.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7a33007b95c8908ae3980eb2b4c508f8936766df", "status": "affected", "version": "ba5c1e9b6ceebdc39343cc03eb39f077abd3c571", "versionType": "git"}, {"lessThan": "f3a557067d57ce6ae98d485c8009b223e16f5f36", "status": "affected", "version": "ba5c1e9b6ceebdc39343cc03eb39f077abd3c571", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/s390/kvm/s390/interrupt.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.26"}, {"lessThan": "2.6.26", "status": "unaffected", "version": "0", "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\nKVM: s390: Add missing srcu in kvm_s390_set_irq_state()\n\nLike kvm_s390_inject_vcpu(), kvm_s390_set_irq_state() also needs the\nkvm->srcu or the slots lock when performing the Store status operation.\n\nFix by taking kvm->srcu in kvm_s390_set_irq_state()."}], "id": "CVE-2026-98652", "lastModified": "2026-10-19T10:19:29.690", "metrics": {}, "published": "2026-10-18T16:17:18.483", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7a33007b95c8908ae3980eb2b4c508f8936766df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f3a557067d57ce6ae98d485c8009b223e16f5f36"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: KVM: s390: Add missing srcu in kvm_s390_set_irq_state()", "id": "2554925", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554925"}, "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-820", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nKVM: s390: Add missing srcu in kvm_s390_set_irq_state()\nLike kvm_s390_inject_vcpu(), kvm_s390_set_irq_state() also needs the\nkvm->srcu or the slots lock when performing the Store status operation.\nFix by taking kvm->srcu in kvm_s390_set_irq_state().", "A flaw was found in the Linux kernel's Kernel-based Virtual Machine (KVM) subsystem for the s390 architecture. A missing synchronization lock during status storing operations allows a local user with virtual machine management privileges to trigger a race condition. This flaw can lead to kernel memory corruption or instability, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-98652", "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-2026-98652\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98652\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98652.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ba5c1e9b6ceebdc39343cc03eb39f077abd3c571,7a33007b95c8908ae3980eb2b4c508f8936766df)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ba5c1e9b6ceebdc39343cc03eb39f077abd3c571,f3a557067d57ce6ae98d485c8009b223e16f5f36)"}}], "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": "2.6.26"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.26)"}}, {"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": "2026-10-18T19:15:14.232529+00:00", "updated": "2026-10-23T06:45:07.462750+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}