{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80645", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.778Z", "datePublished": "2026-08-28T06:48:55.678Z", "dateUpdated": "2026-08-28T06:48:55.678Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:55.678Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrapidio/tsi721: prevent a bad dereference in tsi721_db_dpc()\n\nWith a list_for_each() loop, if we don't find the item we are looking for\nin the list, then the loop exits with the iterator, which is \"dbell\" in\nthis loop, pointing to invalid memory.\n\nThis code uses the \"found\" variable to determine if we have found the\ndoorbell we are looking for or not. However, the problem that the \"found\"\nvariable needs to be set to false at the start of each iteration,\notherwise after the first correct doorbell, then everything is marked as\nfound.\n\nReset the \"found\" to false at the start of the iteration and move the\nvariable inside the loop."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/rapidio/devices/tsi721.c"], "versions": [{"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "9e775c3199903d7c09a52530042b1198eab705bd", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "81c06ef66c3ab6eeaa72eb790c90ae043cdb3d43", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "13092966ba5d8fb214a4efeddc87f9ed0fd2f945", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "acd54f42abbbd806464468838dbc04efd203d2be", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "3b5c66e922aa6a3331915a14520848a5b3beccc7", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "070f356ea4f419e4e85e4089381f4477f41d969e", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "dc28a14f3e4546b2b06098d24177942540581a5f", "status": "affected", "versionType": "git"}, {"version": "48618fb4e522d9d02e217ac05f52749545c1af20", "lessThan": "fc15e3a30ddd950f009c76765331783b9af94a87", "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/rapidio/devices/tsi721.c"], "versions": [{"version": "3.2", "status": "affected"}, {"version": "0", "lessThan": "3.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "3.2", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": 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dereference in tsi721_db_dpc()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/rapidio/devices/tsi721.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "9e775c3199903d7c09a52530042b1198eab705bd", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "81c06ef66c3ab6eeaa72eb790c90ae043cdb3d43", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "13092966ba5d8fb214a4efeddc87f9ed0fd2f945", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "acd54f42abbbd806464468838dbc04efd203d2be", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "3b5c66e922aa6a3331915a14520848a5b3beccc7", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "070f356ea4f419e4e85e4089381f4477f41d969e", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "dc28a14f3e4546b2b06098d24177942540581a5f", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}, {"lessThan": "fc15e3a30ddd950f009c76765331783b9af94a87", "status": "affected", "version": "48618fb4e522d9d02e217ac05f52749545c1af20", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/rapidio/devices/tsi721.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.2"}, {"lessThan": "3.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\nrapidio/tsi721: prevent a bad dereference in tsi721_db_dpc()\n\nWith a list_for_each() loop, if we don't find the item we are looking for\nin the list, then the loop exits with the iterator, which is \"dbell\" in\nthis loop, pointing to invalid memory.\n\nThis code uses the \"found\" variable to determine if we have found the\ndoorbell we are looking for or not. However, the problem that the \"found\"\nvariable needs to be set to false at the start of each iteration,\notherwise after the first correct doorbell, then everything is marked as\nfound.\n\nReset the \"found\" to false at the start of the iteration and move the\nvariable inside the loop."}], "id": "CVE-2026-80645", "lastModified": "2026-08-28T08:16:49.423", "metrics": {}, "published": "2026-08-28T08:16:49.423", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/070f356ea4f419e4e85e4089381f4477f41d969e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/13092966ba5d8fb214a4efeddc87f9ed0fd2f945"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b5c66e922aa6a3331915a14520848a5b3beccc7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81c06ef66c3ab6eeaa72eb790c90ae043cdb3d43"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e775c3199903d7c09a52530042b1198eab705bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/acd54f42abbbd806464468838dbc04efd203d2be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc28a14f3e4546b2b06098d24177942540581a5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc15e3a30ddd950f009c76765331783b9af94a87"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,9e775c3199903d7c09a52530042b1198eab705bd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,81c06ef66c3ab6eeaa72eb790c90ae043cdb3d43)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,13092966ba5d8fb214a4efeddc87f9ed0fd2f945)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,acd54f42abbbd806464468838dbc04efd203d2be)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,3b5c66e922aa6a3331915a14520848a5b3beccc7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,070f356ea4f419e4e85e4089381f4477f41d969e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,dc28a14f3e4546b2b06098d24177942540581a5f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[48618fb4e522d9d02e217ac05f52749545c1af20,fc15e3a30ddd950f009c76765331783b9af94a87)"}}], "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": "3.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"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": "2026-08-28T10:15:03.782867+00:00", "updated": "2026-08-28T11:15:03.332768+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}