{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40112", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.167Z", "datePublished": "2025-11-12T10:23:16.690Z", "dateUpdated": "2025-11-12T10:23:16.690Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-11-12T10:23:16.690Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsparc: fix accurate exception reporting in copy_{from_to}_user for Niagara\n\nThe referenced commit introduced exception handlers on user-space memory\nreferences in copy_from_user and copy_to_user. These handlers return from\nthe respective function and calculate the remaining bytes left to copy\nusing the current register contents. This commit fixes a couple of bad\ncalculations and a broken epilogue in the exception handlers. This will\nprevent crashes and ensure correct return values of copy_from_user and\ncopy_to_user in the faulting case. The behaviour of memcpy stays unchanged."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/sparc/lib/NGmemcpy.S"], "versions": [{"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "05440320ea3e249d5f984918f2bf51210c1a7c03", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "7823fc4d8ab5e57f8db7806ff2530c03c166c4bb", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "37547d8e6eba87507279ee3dfddfd9dc46335454", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "a365ee556e45f780ee322b349a06efdad0c1458f", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "8cdeb5e482d3fdce7e825444b6ca3865e24c0228", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "a90ce516a73dbe087f9bf3dbf311301a58d125c6", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "088c5098ec6d6b0396edfbf3dad3e81de8469c1c", "status": "affected", "versionType": "git"}, {"version": "7ae3aaf53f1695877ccd5ebbc49ea65991e41f1e", "lessThan": "0b67c8fc10b13a9090340c5f8a37d308f4e1571c", "status": "affected", "versionType": "git"}, {"version": "bfc8be6593097cb074d3912ba2f27565cfbb7d6e", "status": "affected", "versionType": "git"}, {"version": "a15859f9d8396cce7c55ccdb7e75f70f14cbc349", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/sparc/lib/NGmemcpy.S"], "versions": [{"version": "4.9", "status": "affected"}, {"version": "0", "lessThan": "4.9", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.301", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.246", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.195", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.156", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.112", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.53", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.3", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18-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": "4.9", "versionEndExcluding": "5.4.301"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.10.246"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.15.195"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.1.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.6.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.12.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.18-rc1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.10"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/05440320ea3e249d5f984918f2bf51210c1a7c03"}, {"url": "https://git.kernel.org/stable/c/7823fc4d8ab5e57f8db7806ff2530c03c166c4bb"}, {"url": "https://git.kernel.org/stable/c/37547d8e6eba87507279ee3dfddfd9dc46335454"}, {"url": "https://git.kernel.org/stable/c/a365ee556e45f780ee322b349a06efdad0c1458f"}, {"url": "https://git.kernel.org/stable/c/8cdeb5e482d3fdce7e825444b6ca3865e24c0228"}, {"url": "https://git.kernel.org/stable/c/a90ce516a73dbe087f9bf3dbf311301a58d125c6"}, {"url": "https://git.kernel.org/stable/c/088c5098ec6d6b0396edfbf3dad3e81de8469c1c"}, {"url": "https://git.kernel.org/stable/c/0b67c8fc10b13a9090340c5f8a37d308f4e1571c"}], "title": "sparc: fix accurate exception reporting in copy_{from_to}_user for Niagara", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsparc: fix accurate exception reporting in copy_{from_to}_user for Niagara\n\nThe referenced commit introduced exception handlers on user-space memory\nreferences in copy_from_user and copy_to_user. These handlers return from\nthe respective function and calculate the remaining bytes left to copy\nusing the current register contents. This commit fixes a couple of bad\ncalculations and a broken epilogue in the exception handlers. This will\nprevent crashes and ensure correct return values of copy_from_user and\ncopy_to_user in the faulting case. The behaviour of memcpy stays unchanged."}], "id": "CVE-2025-40112", "lastModified": "2025-11-12T16:19:12.850", "metrics": {}, "published": "2025-11-12T11:15:40.460", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/05440320ea3e249d5f984918f2bf51210c1a7c03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/088c5098ec6d6b0396edfbf3dad3e81de8469c1c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b67c8fc10b13a9090340c5f8a37d308f4e1571c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/37547d8e6eba87507279ee3dfddfd9dc46335454"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7823fc4d8ab5e57f8db7806ff2530c03c166c4bb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8cdeb5e482d3fdce7e825444b6ca3865e24c0228"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a365ee556e45f780ee322b349a06efdad0c1458f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a90ce516a73dbe087f9bf3dbf311301a58d125c6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}