CVE-2026-80547

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{"bugzilla": {"description": "kernel: s390/vfio_ccw: Implement a crw lock", "id": "2524420", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524420"}, "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-413", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ns390/vfio_ccw: Implement a crw lock\nUnlike the channel_program struct, which covers synchronous I/O\nsubmissions and asynchronous interrupts, the CRW region relies\nexclusively on asynchronous events coming from hardware.\nImplement a lock to manage the list of those payloads, to ensure\nthey are read cohesively.", "A flaw was found in the Linux kernel's `s390/vfio_ccw` component. This vulnerability arises from the lack of a proper lock to manage the list of Channel Report Word (CRW) payloads, which are asynchronous events from hardware. Without this lock, these payloads may not be read cohesively, potentially leading to data inconsistency or unexpected system behavior."], "name": "CVE-2026-80547", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80547\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80547\nhttps://lore.kernel.org/linux-cve-announce/2026082607-CVE-2026-80547-4c7e@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f02cb2fd9d2d9e8762102886e3e4b51285797ee,49fa26b0df009dc1f420980bd71780e70615b83b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f02cb2fd9d2d9e8762102886e3e4b51285797ee,7902be374cbfc11c3435e1e87bf22195bf06a558)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f02cb2fd9d2d9e8762102886e3e4b51285797ee,c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f02cb2fd9d2d9e8762102886e3e4b51285797ee,16b0798024c0e9117e395829ddbbe70981c79d9c)"}}], "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": "5.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.105,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.46,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.10,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-26T17:45:03.749243+00:00", "updated": "2026-08-28T20:00:16.160794+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}