CVE-2026-92480

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92480", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-16T12:21:13.870Z", "datePublished": "2026-09-17T16:09:57.719Z", "dateUpdated": "2026-10-30T12:35:36.682Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:36.682Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Validate string descriptors\n\nThe string descriptor length includes a two-byte header while the UTF-16\npayload starts after it. utf16s_to_utf8s() expects a count of UTF-16 code\nunits, not bytes. Passing the payload byte count can make it read beyond\nthe descriptor buffer.\n\nValidate that the payload has an even byte count, pass a code-unit count to\nthe converter, and allocate sufficient UTF-8 output space.\n\nThe raw string buffer starts after the descriptor header but its size is\nbLength. Copying bLength bytes from that pointer can read beyond the\nresponse buffer.\n\nAllocate a zeroed bLength-sized buffer and copy only the UTF-16\npayload. This preserves the raw buffer size consumed by the RPMB device-ID\nABI while avoiding the overread."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ufs/core/ufshcd.c"], "versions": [{"version": "4b828fe156a662a4b6135019bf077040340f299b", "lessThan": "22c076f72ad67d89dab58d9c97a17c33e8130e82", "status": "affected", "versionType": "git"}, {"version": "4b828fe156a662a4b6135019bf077040340f299b", "lessThan": "566109f1ee4e389b4effab43b0ce1fdab302e9de", "status": "affected", "versionType": "git"}, {"version": "4b828fe156a662a4b6135019bf077040340f299b", "lessThan": "02dd1a65dff842d9360a38ebe243dc8f6adbbaf5", "status": "affected", "versionType": "git"}, {"version": "4b828fe156a662a4b6135019bf077040340f299b", "lessThan": "f3480c59f4ce97d831e9d06f5a2b9c20547ed1a4", "status": "affected", "versionType": "git"}, {"version": "4b828fe156a662a4b6135019bf077040340f299b", "lessThan": "66da25277256b6bf4c3fdbf3c9bfd43324c9cf25", "status": "affected", "versionType": "git"}, {"version": "4b828fe156a662a4b6135019bf077040340f299b", "lessThan": "d96e83d028d7d8762e424e49c671d49ac2ecf14f", "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/ufs/core/ufshcd.c"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.4", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/22c076f72ad67d89dab58d9c97a17c33e8130e82"}, {"url": "https://git.kernel.org/stable/c/566109f1ee4e389b4effab43b0ce1fdab302e9de"}, {"url": "https://git.kernel.org/stable/c/02dd1a65dff842d9360a38ebe243dc8f6adbbaf5"}, {"url": "https://git.kernel.org/stable/c/f3480c59f4ce97d831e9d06f5a2b9c20547ed1a4"}, {"url": "https://git.kernel.org/stable/c/66da25277256b6bf4c3fdbf3c9bfd43324c9cf25"}, {"url": "https://git.kernel.org/stable/c/d96e83d028d7d8762e424e49c671d49ac2ecf14f"}], "title": "scsi: ufs: core: Validate string descriptors", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/ufs/core/ufshcd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "22c076f72ad67d89dab58d9c97a17c33e8130e82", "status": "affected", "version": "4b828fe156a662a4b6135019bf077040340f299b", "versionType": "git"}, {"lessThan": "566109f1ee4e389b4effab43b0ce1fdab302e9de", "status": "affected", "version": "4b828fe156a662a4b6135019bf077040340f299b", "versionType": "git"}, {"lessThan": "02dd1a65dff842d9360a38ebe243dc8f6adbbaf5", "status": "affected", "version": "4b828fe156a662a4b6135019bf077040340f299b", "versionType": "git"}, {"lessThan": "f3480c59f4ce97d831e9d06f5a2b9c20547ed1a4", "status": "affected", "version": "4b828fe156a662a4b6135019bf077040340f299b", "versionType": "git"}, {"lessThan": "66da25277256b6bf4c3fdbf3c9bfd43324c9cf25", "status": "affected", "version": "4b828fe156a662a4b6135019bf077040340f299b", "versionType": "git"}, {"lessThan": "d96e83d028d7d8762e424e49c671d49ac2ecf14f", "status": "affected", "version": "4b828fe156a662a4b6135019bf077040340f299b", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/ufs/core/ufshcd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.4"}, {"lessThan": "5.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nscsi: ufs: core: Validate string descriptors\n\nThe string descriptor length includes a two-byte header while the UTF-16\npayload starts after it. utf16s_to_utf8s() expects a count of UTF-16 code\nunits, not bytes. Passing the payload byte count can make it read beyond\nthe descriptor buffer.\n\nValidate that the payload has an even byte count, pass a code-unit count to\nthe converter, and allocate sufficient UTF-8 output space.\n\nThe raw string buffer starts after the descriptor header but its size is\nbLength. Copying bLength bytes from that pointer can read beyond the\nresponse buffer.\n\nAllocate a zeroed bLength-sized buffer and copy only the UTF-16\npayload. This preserves the raw buffer size consumed by the RPMB device-ID\nABI while avoiding the overread."}], "id": "CVE-2026-92480", "lastModified": "2026-10-30T13:20:54.780", "metrics": {}, "published": "2026-09-17T17:17:50.053", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/02dd1a65dff842d9360a38ebe243dc8f6adbbaf5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/22c076f72ad67d89dab58d9c97a17c33e8130e82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/566109f1ee4e389b4effab43b0ce1fdab302e9de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66da25277256b6bf4c3fdbf3c9bfd43324c9cf25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d96e83d028d7d8762e424e49c671d49ac2ecf14f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f3480c59f4ce97d831e9d06f5a2b9c20547ed1a4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4b828fe156a662a4b6135019bf077040340f299b,66da25277256b6bf4c3fdbf3c9bfd43324c9cf25)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4b828fe156a662a4b6135019bf077040340f299b,d96e83d028d7d8762e424e49c671d49ac2ecf14f)"}}], "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": "5.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T06:00:09.681886+00:00", "updated": "2026-09-19T09:30:13.146667+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125"]}