CVE-2025-39942 (GCVE-0-2025-39942)
Vulnerability from cvelistv5
Published
2025-10-04 07:31
Modified
2025-10-04 07:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size
This is inspired by the check for data_offset + data_length.
References
Impacted products
{ "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "fs/smb/server/transport_rdma.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "196a3a7676d726ee67621ea2bf3b7815ac2685b4", "status": "affected", "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206", "versionType": "git" }, { "lessThan": "d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce", "status": "affected", "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206", "versionType": "git" }, { "lessThan": "9644798294c7287e65a7b26e35aa6d2ce3345bcc", "status": "affected", "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206", "versionType": "git" }, { "lessThan": "c64b915bb3d9339adcae5db4be2c35ffbef5e615", "status": "affected", "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206", "versionType": "git" }, { "lessThan": "e1868ba37fd27c6a68e31565402b154beaa65df0", "status": "affected", "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "fs/smb/server/transport_rdma.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "5.15" }, { "lessThan": "5.15", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.154", "versionType": "semver" }, { "lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.108", "versionType": "semver" }, { "lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.49", "versionType": "semver" }, { "lessThanOrEqual": "6.16.*", "status": "unaffected", "version": "6.16.9", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.154", "versionStartIncluding": "5.15", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.108", "versionStartIncluding": "5.15", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.49", "versionStartIncluding": "5.15", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.16.9", "versionStartIncluding": "5.15", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.17", "versionStartIncluding": "5.15", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size\n\nThis is inspired by the check for data_offset + data_length." } ], "providerMetadata": { "dateUpdated": "2025-10-04T07:31:04.810Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4" }, { "url": "https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce" }, { "url": "https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc" }, { "url": "https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615" }, { "url": "https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0" } ], "title": "ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size", "x_generator": { "engine": "bippy-1.2.0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2025-39942", "datePublished": "2025-10-04T07:31:04.810Z", "dateReserved": "2025-04-16T07:20:57.148Z", "dateUpdated": "2025-10-04T07:31:04.810Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-39942\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T08:15:47.230\",\"lastModified\":\"2025-10-06T14:56:47.823\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size\\n\\nThis is inspired by the check for data_offset + data_length.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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