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smb: client: fix overflow in passthrough ioctl bounds check

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-72310

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/client/smb2ops.c"
                    ],
                    "versions": [
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "175357ee0c596cb82054650dfa32fda51ad35aaa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "dbd126539c098dba3159ce7d34b10b2daddcbd0f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "63feb687e89a3a52a31e6e01764117cc500f1974",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "160045fc943f6c46b227644261252c8a22b8a87a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "b30771b69eafae750afb7385fbcc3d77ed3f3670",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "1627e7d5c9b09721a141d07cedb178882f1ded67",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "1a638c55f2db6cb2296e5e3138015dd8fd9d4aa9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1116bbe898aefdf584838448c6869f69851e0f",
                            "lessThan": "a4f27ad055392fa164f5649e89a3637b033c5fcc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2005c32ec99ee2490e8131b3953f3f212009ffea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.4.69",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/client/smb2ops.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 9 Nov 08:42 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current