{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80547",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.766Z",
        "datePublished": "2026-08-26T14:37:18.159Z",
        "dateUpdated": "2026-08-26T14:37:18.159Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-26T14:37:18.159Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Implement a crw lock\n\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.\n\nImplement a lock to manage the list of those payloads, to ensure\nthey are read cohesively."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/s390/cio/vfio_ccw_chp.c",
                        "drivers/s390/cio/vfio_ccw_drv.c",
                        "drivers/s390/cio/vfio_ccw_ops.c",
                        "drivers/s390/cio/vfio_ccw_private.h"
                    ],
                    "versions": [
                        {
                            "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
                            "lessThan": "49fa26b0df009dc1f420980bd71780e70615b83b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
                            "lessThan": "7902be374cbfc11c3435e1e87bf22195bf06a558",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
                            "lessThan": "c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
                            "lessThan": "16b0798024c0e9117e395829ddbbe70981c79d9c",
                            "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/s390/cio/vfio_ccw_chp.c",
                        "drivers/s390/cio/vfio_ccw_drv.c",
                        "drivers/s390/cio/vfio_ccw_ops.c",
                        "drivers/s390/cio/vfio_ccw_private.h"
                    ],
                    "versions": [
                        {
                            "version": "5.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.105",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.46",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.10",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "6.12.105"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "6.18.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "7.1.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "7.2"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/49fa26b0df009dc1f420980bd71780e70615b83b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7902be374cbfc11c3435e1e87bf22195bf06a558"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/16b0798024c0e9117e395829ddbbe70981c79d9c"
                }
            ],
            "title": "s390/vfio_ccw: Implement a crw lock",
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}