{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80549", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.766Z", "datePublished": "2026-08-26T14:37:19.353Z", "dateUpdated": "2026-08-26T14:37:19.353Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-26T14:37:19.353Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Move cp cleanup out of not operational\n\nThe fsm_notoper() routine is called when the device has been\nlost, and is (by definition) no longer operational. Since this\ncan happen asynchronously from the normal behavior of the\ndriver, the cleanup may happen when holding other locks\nin the calling sequence (notably, the cio subchannel lock).\n\nPush the cleanup of the private->cp resources to a workqueue,\nwhere it can be done out from under that lock sequence and\na future patch can safely manage the locking requirements."}], "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_drv.c", "drivers/s390/cio/vfio_ccw_fsm.c", "drivers/s390/cio/vfio_ccw_ops.c", "drivers/s390/cio/vfio_ccw_private.h"], "versions": [{"version": "204b394a23ad5e30944f23518e21e844614da2ff", "lessThan": "f98a9890ca42f4223d2d4c50e0660af3e012fcb4", "status": "affected", "versionType": "git"}, {"version": "204b394a23ad5e30944f23518e21e844614da2ff", "lessThan": "4e3301e2a651d742c05914f6074a25b8e41bce19", "status": "affected", "versionType": "git"}, {"version": "204b394a23ad5e30944f23518e21e844614da2ff", "lessThan": "af1759d8e6e6da9ba94f30a2f92546f406899aa7", "status": "affected", "versionType": "git"}, {"version": "204b394a23ad5e30944f23518e21e844614da2ff", "lessThan": "56100baa0eb7055b1026dfa73e696e8066ff71fd", "status": "affected", "versionType": "git"}, {"version": "204b394a23ad5e30944f23518e21e844614da2ff", "lessThan": "0c11f61a876ed6fcca53d442ed3f33ea8362a0f9", "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_drv.c", "drivers/s390/cio/vfio_ccw_fsm.c", "drivers/s390/cio/vfio_ccw_ops.c", "drivers/s390/cio/vfio_ccw_private.h"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.153", "lessThanOrEqual": "6.6.*", "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": "6.0", "versionEndExcluding": "6.6.153"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.105"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f98a9890ca42f4223d2d4c50e0660af3e012fcb4"}, {"url": "https://git.kernel.org/stable/c/4e3301e2a651d742c05914f6074a25b8e41bce19"}, {"url": "https://git.kernel.org/stable/c/af1759d8e6e6da9ba94f30a2f92546f406899aa7"}, {"url": "https://git.kernel.org/stable/c/56100baa0eb7055b1026dfa73e696e8066ff71fd"}, {"url": "https://git.kernel.org/stable/c/0c11f61a876ed6fcca53d442ed3f33ea8362a0f9"}], "title": "s390/vfio_ccw: Move cp cleanup out of not operational", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/s390/cio/vfio_ccw_drv.c", "drivers/s390/cio/vfio_ccw_fsm.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": "f98a9890ca42f4223d2d4c50e0660af3e012fcb4", "status": "affected", "version": "204b394a23ad5e30944f23518e21e844614da2ff", "versionType": "git"}, {"lessThan": "4e3301e2a651d742c05914f6074a25b8e41bce19", "status": "affected", "version": "204b394a23ad5e30944f23518e21e844614da2ff", "versionType": "git"}, {"lessThan": "af1759d8e6e6da9ba94f30a2f92546f406899aa7", "status": "affected", "version": "204b394a23ad5e30944f23518e21e844614da2ff", "versionType": "git"}, {"lessThan": "56100baa0eb7055b1026dfa73e696e8066ff71fd", "status": "affected", "version": "204b394a23ad5e30944f23518e21e844614da2ff", "versionType": "git"}, {"lessThan": "0c11f61a876ed6fcca53d442ed3f33ea8362a0f9", "status": "affected", "version": "204b394a23ad5e30944f23518e21e844614da2ff", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/s390/cio/vfio_ccw_drv.c", "drivers/s390/cio/vfio_ccw_fsm.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": "6.0"}, {"lessThan": "6.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.153", "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: Move cp cleanup out of not operational\n\nThe fsm_notoper() routine is called when the device has been\nlost, and is (by definition) no longer operational. Since this\ncan happen asynchronously from the normal behavior of the\ndriver, the cleanup may happen when holding other locks\nin the calling sequence (notably, the cio subchannel lock).\n\nPush the cleanup of the private->cp resources to a workqueue,\nwhere it can be done out from under that lock sequence and\na future patch can safely manage the locking requirements."}], "id": "CVE-2026-80549", "lastModified": "2026-08-26T15:17:09.323", "metrics": {}, "published": "2026-08-26T15:17:09.323", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0c11f61a876ed6fcca53d442ed3f33ea8362a0f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4e3301e2a651d742c05914f6074a25b8e41bce19"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56100baa0eb7055b1026dfa73e696e8066ff71fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af1759d8e6e6da9ba94f30a2f92546f406899aa7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f98a9890ca42f4223d2d4c50e0660af3e012fcb4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[204b394a23ad5e30944f23518e21e844614da2ff,f98a9890ca42f4223d2d4c50e0660af3e012fcb4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[204b394a23ad5e30944f23518e21e844614da2ff,4e3301e2a651d742c05914f6074a25b8e41bce19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[204b394a23ad5e30944f23518e21e844614da2ff,af1759d8e6e6da9ba94f30a2f92546f406899aa7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[204b394a23ad5e30944f23518e21e844614da2ff,56100baa0eb7055b1026dfa73e696e8066ff71fd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[204b394a23ad5e30944f23518e21e844614da2ff,0c11f61a876ed6fcca53d442ed3f33ea8362a0f9)"}}], "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": "6.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.153,6.7.0)"}}, {"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": "2026-08-26T16:15:07.786996+00:00", "updated": "2026-08-26T17:15:04.404357+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-754"]}