272 lines
14 KiB
JSON
272 lines
14 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2024-58087",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2025-03-06T15:52:09.185Z",
|
|
"datePublished": "2025-03-12T07:28:09.114Z",
|
|
"dateUpdated": "2026-08-05T11:47:38.424Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-08-05T11:47:38.424Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix racy issue from session lookup and expire\n\nIncrement the session reference count within the lock for lookup to avoid\nracy issue with session expire."
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
|
|
"baseScore": 9.8,
|
|
"baseSeverity": "CRITICAL"
|
|
},
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "AV:N - ksmbd is the in-kernel SMB server processing requests received on TCP port 445; every affected path (`smb2_sess_setup`, `smb2_check_user_session`, `smb3_decrypt_req`, `__handle_ksmbd_work`) is driven directly by attacker-supplied SMB2 PDUs from a remote peer.\nAC:L - The attacker controls both sides of the race — it pipelines up to 8192 concurrent requests per connection (each handled by a separate ksmbd-io kworker), drives sessions into EXPIRED/IN_PROGRESS state so `ksmbd_expire_session()` frees them with no timeout, and the `__handle_ksmbd_work` window spans an entire AES-GCM response encryption. A lost race yields only a benign SMB error, so it can be retried indefinitely.\nPR:N - Two of the three unreferenced lookups live inside `smb2_sess_setup()` — the authentication handshake itself — and operate on attacker-supplied, sequentially-allocated (trivially enumerable) session IDs before any credential is verified, including `ksmbd_session_lookup_slowpath()` against the global session table. Additionally, `ntlm_authenticate()` skips password verification entirely for guest/anonymous users, so under the common \"map to guest\" configuration an unauthenticated peer obtains a VALID session and reaches all remaining paths.\nUI:N - Exploitation requires only that the attacker send SMB2 requests to the listening ksmbd service; no action by any local user or administrator is involved.\nS:U - The use-after-free corrupts kernel heap memory within the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The freed `struct ksmbd_session` is read after free, including `smb3encryptionkey`/`smb3decryptionkey`/`smb3signingkey` — `encrypt_resp()` encrypts responses using whatever now occupies that slab, leaking freed kernel memory to the wire; controlling the reallocated `sess->user` and `file_table` pointers escalates this to arbitrary kernel read.\nI:H - The bug yields multiple write primitives on freed memory — `atomic_inc/dec` on `sess->refcnt`, `sess->state = SMB2_SESSION_EXPIRED`, `sess->user = NULL`, and `kfree(sess->Preauth_HashValue)` plus xarray-walking frees in `ksmbd_session_destroy()` — giving arbitrary-free and controlled-pointer corruption suitable for control-flow hijack, and `sess->user` directly governs SMB access-control decisions.\nA:H - Any lost race dereferences freed slab memory, reliably producing a kernel oops or panic in the ksmbd worker, and the attacker can trigger it repeatedly from the network to take down the file server."
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"fs/smb/server/auth.c",
|
|
"fs/smb/server/mgmt/user_session.c",
|
|
"fs/smb/server/server.c",
|
|
"fs/smb/server/smb2pdu.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
|
|
"lessThan": "2107ab40629aeabbec369cf34b8cf0f288c3eb1b",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
|
|
"lessThan": "37a0e2b362b3150317fb6e2139de67b1e29ae5ff",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
|
|
"lessThan": "450a844c045ff0895d41b05a1cbe8febd1acfcfd",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
|
|
"lessThan": "a39e31e22a535d47b14656a7d6a893c7f6cf758c",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
|
|
"lessThan": "b95629435b84b9ecc0c765995204a4d8a913ed52",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "affected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"fs/smb/server/auth.c",
|
|
"fs/smb/server/mgmt/user_session.c",
|
|
"fs/smb/server/server.c",
|
|
"fs/smb/server/smb2pdu.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "5.15",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "5.15",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.15.176",
|
|
"lessThanOrEqual": "5.15.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.121",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.6.67",
|
|
"lessThanOrEqual": "6.6.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.12.6",
|
|
"lessThanOrEqual": "6.12.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.13",
|
|
"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": "5.15",
|
|
"versionEndExcluding": "5.15.176"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.1.121"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.6.67"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.12.6"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.13"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/2107ab40629aeabbec369cf34b8cf0f288c3eb1b"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/37a0e2b362b3150317fb6e2139de67b1e29ae5ff"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/450a844c045ff0895d41b05a1cbe8febd1acfcfd"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/a39e31e22a535d47b14656a7d6a893c7f6cf758c"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/b95629435b84b9ecc0c765995204a4d8a913ed52"
|
|
},
|
|
{
|
|
"url": "https://www.zerodayinitiative.com/advisories/ZDI-25-100/"
|
|
}
|
|
],
|
|
"title": "ksmbd: fix racy issue from session lookup and expire",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"scope": "UNCHANGED",
|
|
"version": "3.1",
|
|
"baseScore": 8.1,
|
|
"attackVector": "NETWORK",
|
|
"baseSeverity": "HIGH",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
|
|
"integrityImpact": "HIGH",
|
|
"userInteraction": "NONE",
|
|
"attackComplexity": "HIGH",
|
|
"availabilityImpact": "HIGH",
|
|
"privilegesRequired": "NONE",
|
|
"confidentialityImpact": "HIGH"
|
|
}
|
|
},
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2024-58087",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2025-10-01T19:26:55.319254Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"type": "CWE",
|
|
"cweId": "CWE-667",
|
|
"description": "CWE-667 Improper Locking"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2025-10-01T19:36:35.134Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |