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vuln-cve/data/2025/68xxx/CVE-2025-68782.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-68782",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-12-24T10:30:51.036Z",
"datePublished": "2026-01-13T15:28:56.929Z",
"dateUpdated": "2026-11-10T12:38:27.337Z"
},
"containers": {
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"shortName": "Linux",
"dateUpdated": "2026-08-05T12:11:26.438Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: Reset t_task_cdb pointer in error case\n\nIf allocation of cmd->t_task_cdb fails, it remains NULL but is later\ndereferenced in the 'err' path.\n\nIn case of error, reset NULL t_task_cdb value to point at the default\nfixed-size buffer.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
}
],
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{
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"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - A remote initiator can reach target_cmd_init_cdb() by sending an iSCSI SCSI Command PDU containing a variable-length CDB over TCP, iSER, or supported network offload transports.\nAC:L - The attacker controls the extended-CDB request and can create allocator pressure through concurrent sessions and outstanding commands before repeatedly triggering the allocation. No race or condition outside the attacker's practical influence is required.\nPR:N - LIO supports AuthMethod=None and dynamic initiator ACLs, allowing a remote attacker to establish a normal iSCSI session without credentials in a reasonable permissive deployment.\nUI:N - Exploitation requires only attacker-generated sessions and SCSI commands, without any victim action.\nS:U - Through the network iSCSI path, the vulnerable target-core code and the affected kernel availability remain within the same host security authority.\nC:N - The failed allocation produces a fixed NULL destination rather than an attacker-controlled read primitive, and no kernel data is disclosed.\nI:N - The attempted copy targets unmapped address zero and faults instead of modifying a live kernel object; it does not provide an arbitrary or useful write primitive.\nA:H - The NULL-destination memcpy can cause a kernel oops or panic, and a remote initiator can repeat the trigger to disrupt the target or entire system."
}
]
}
],
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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},
{
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"lessThan": "5053eab38a4c4543522d0c320c639c56a8b59908",
"status": "affected",
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]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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],
"versions": [
{
"version": "5.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.248",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.198",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.160",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.120",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.64",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.3",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19",
"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": "5.8",
"versionEndExcluding": "5.10.248"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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],
"references": [
{
"url": "https://git.kernel.org/stable/c/6cac97b12bdab04832e0416d049efcd0d48d303b"
},
{
"url": "https://git.kernel.org/stable/c/45fd86b444105c8bd07a763f58635c87e5dc7aea"
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"url": "https://git.kernel.org/stable/c/8727663ded659aad55eef21e3864ebf5a4796a96"
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"url": "https://git.kernel.org/stable/c/0260ad551b0815eb788d47f32899fbcd65d6f128"
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"url": "https://git.kernel.org/stable/c/0d36db68fdb8a3325386fd9523b67735f944e1f3"
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"url": "https://git.kernel.org/stable/c/8edbb9e371af186b4cf40819dab65fafe109df4d"
},
{
"url": "https://git.kernel.org/stable/c/5053eab38a4c4543522d0c320c639c56a8b59908"
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],
"title": "scsi: target: Reset t_task_cdb pointer in error case",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2025-68782",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-06-16T19:10:49.122593Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-19T18:05:06.972Z"
}
},
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-11-10T12:38:27.337Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
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]
}
}
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