{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38072", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.980Z", "datePublished": "2025-06-18T09:33:48.666Z", "dateUpdated": "2026-05-11T21:20:43.703Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:20:43.703Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibnvdimm/labels: Fix divide error in nd_label_data_init()\n\nIf a faulty CXL memory device returns a broken zero LSA size in its\nmemory device information (Identify Memory Device (Opcode 4000h), CXL\nspec. 3.1, 8.2.9.9.1.1), a divide error occurs in the libnvdimm\ndriver:\n\n Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n RIP: 0010:nd_label_data_init+0x10e/0x800 [libnvdimm]\n\nCode and flow:\n\n1) CXL Command 4000h returns LSA size = 0\n2) config_size is assigned to zero LSA size (CXL pmem driver):\n\ndrivers/cxl/pmem.c: .config_size = mds->lsa_size,\n\n3) max_xfer is set to zero (nvdimm driver):\n\ndrivers/nvdimm/label.c: max_xfer = min_t(size_t, ndd->nsarea.max_xfer, config_size);\n\n4) A subsequent DIV_ROUND_UP() causes a division by zero:\n\ndrivers/nvdimm/label.c: /* Make our initial read size a multiple of max_xfer size */\ndrivers/nvdimm/label.c: read_size = min(DIV_ROUND_UP(read_size, max_xfer) * max_xfer,\ndrivers/nvdimm/label.c- config_size);\n\nFix this by checking the config size parameter by extending an\nexisting check." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/nvdimm/label.c" ], "versions": [ { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "2bd4a938d2eda96ab7288b8fa5aae84a1de8c4ca", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "396c46d3f59a18ebcc500640e749f16e197d472b", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "f49c337037df029440a8390380dd35d2cf5924d3", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "db1aef51b8e66a77f76b1250b914589c31a0a0ed", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "ea3d95e05e97ea20fd6513f647393add16fce3b2", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "1d1e1efad1cf049e888bf175a5c6be85d792620c", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "e14347f647ca6d76fe1509b6703e340f2d5e2716", "status": "affected", "versionType": "git" }, { "version": "7d47aad4570e5e6e9a8162bb417ca9b74132f27c", "lessThan": "ef1d3455bbc1922f94a91ed58d3d7db440652959", "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/nvdimm/label.c" ], "versions": [ { "version": "4.20", "status": "affected" }, { "version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.294", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.238", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.185", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.141", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.93", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.31", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.14.9", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15", "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": "4.20", "versionEndExcluding": "5.4.294" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.10.238" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.15.185" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.1.141" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.6.93" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.12.31" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.14.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/2bd4a938d2eda96ab7288b8fa5aae84a1de8c4ca" }, { "url": "https://git.kernel.org/stable/c/396c46d3f59a18ebcc500640e749f16e197d472b" }, { "url": "https://git.kernel.org/stable/c/f49c337037df029440a8390380dd35d2cf5924d3" }, { "url": "https://git.kernel.org/stable/c/db1aef51b8e66a77f76b1250b914589c31a0a0ed" }, { "url": "https://git.kernel.org/stable/c/ea3d95e05e97ea20fd6513f647393add16fce3b2" }, { "url": "https://git.kernel.org/stable/c/1d1e1efad1cf049e888bf175a5c6be85d792620c" }, { "url": "https://git.kernel.org/stable/c/e14347f647ca6d76fe1509b6703e340f2d5e2716" }, { "url": "https://git.kernel.org/stable/c/ef1d3455bbc1922f94a91ed58d3d7db440652959" } ], "title": "libnvdimm/labels: Fix divide error in nd_label_data_init()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:33:40.308Z" } } ] } }