{"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": {"cna": {"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": [{"operator": "OR", "negate": false, "cpeMatch": [{"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"}]}]}], "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", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "49fa26b0df009dc1f420980bd71780e70615b83b", "status": "affected", "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee", "versionType": "git"}, {"lessThan": "7902be374cbfc11c3435e1e87bf22195bf06a558", "status": "affected", "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee", "versionType": "git"}, {"lessThan": "c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9", "status": "affected", "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee", "versionType": "git"}, {"lessThan": "16b0798024c0e9117e395829ddbbe70981c79d9c", "status": "affected", "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"lessThan": "5.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.105", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\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."}], "id": "CVE-2026-80547", "lastModified": "2026-08-26T15:17:09.087", "metrics": {}, "published": "2026-08-26T15:17:09.087", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/16b0798024c0e9117e395829ddbbe70981c79d9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/49fa26b0df009dc1f420980bd71780e70615b83b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7902be374cbfc11c3435e1e87bf22195bf06a558"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

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