{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68352", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.300Z", "datePublished": "2025-12-24T10:32:43.366Z", "dateUpdated": "2025-12-24T10:32:43.366Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T10:32:43.366Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix out-of-bounds memory access in ch341_transfer_one\n\nDiscovered by Atuin - Automated Vulnerability Discovery Engine.\n\nThe 'len' variable is calculated as 'min(32, trans->len + 1)',\nwhich includes the 1-byte command header.\n\nWhen copying data from 'trans->tx_buf' to 'ch341->tx_buf + 1', using 'len'\nas the length is incorrect because:\n\n1. It causes an out-of-bounds read from 'trans->tx_buf' (which has size\n 'trans->len', i.e., 'len - 1' in this context).\n2. It can cause an out-of-bounds write to 'ch341->tx_buf' if 'len' is\n CH341_PACKET_LENGTH (32). Writing 32 bytes to ch341->tx_buf + 1\n overflows the buffer.\n\nFix this by copying 'len - 1' bytes."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-ch341.c"], "versions": [{"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "cad6c0fd6f3c0e76a1f75df4bce3b08a13f08974", "status": "affected", "versionType": "git"}, {"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "ea1e43966cd03098fcd5f0d72e6c2901d45fa08d", "status": "affected", "versionType": "git"}, {"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "81841da1f30f66a850cc8796d99ba330aad9d696", "status": "affected", "versionType": "git"}, {"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "545d1287e40a55242f6ab68bcc1ba3b74088b1bc", "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/spi/spi-ch341.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.63", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.13", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.2", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc1", "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": "6.11", "versionEndExcluding": "6.12.63"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.17.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.19-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cad6c0fd6f3c0e76a1f75df4bce3b08a13f08974"}, {"url": "https://git.kernel.org/stable/c/ea1e43966cd03098fcd5f0d72e6c2901d45fa08d"}, {"url": "https://git.kernel.org/stable/c/81841da1f30f66a850cc8796d99ba330aad9d696"}, {"url": "https://git.kernel.org/stable/c/545d1287e40a55242f6ab68bcc1ba3b74088b1bc"}], "title": "spi: ch341: fix out-of-bounds memory access in ch341_transfer_one", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix out-of-bounds memory access in ch341_transfer_one\n\nDiscovered by Atuin - Automated Vulnerability Discovery Engine.\n\nThe 'len' variable is calculated as 'min(32, trans->len + 1)',\nwhich includes the 1-byte command header.\n\nWhen copying data from 'trans->tx_buf' to 'ch341->tx_buf + 1', using 'len'\nas the length is incorrect because:\n\n1. It causes an out-of-bounds read from 'trans->tx_buf' (which has size\n 'trans->len', i.e., 'len - 1' in this context).\n2. It can cause an out-of-bounds write to 'ch341->tx_buf' if 'len' is\n CH341_PACKET_LENGTH (32). Writing 32 bytes to ch341->tx_buf + 1\n overflows the buffer.\n\nFix this by copying 'len - 1' bytes."}], "id": "CVE-2025-68352", "lastModified": "2025-12-24T11:15:58.550", "metrics": {}, "published": "2025-12-24T11:15:58.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/545d1287e40a55242f6ab68bcc1ba3b74088b1bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81841da1f30f66a850cc8796d99ba330aad9d696"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cad6c0fd6f3c0e76a1f75df4bce3b08a13f08974"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ea1e43966cd03098fcd5f0d72e6c2901d45fa08d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}