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smb: client: fix OOB read in smb2_ioctl_query_info QUERY_INFO path

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-2026-31708

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": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "e66bdc0704977ecee667a81d38255b579c2353d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "9e203dbb5402897c43130fb171a2617008a91f45",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "1dd757379997b71a328a4b591ffaf481acd0ead1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "a34d456934fe42e4da5d2cc07787bf418bee99c6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "ac2f14e4705d020f04e806efa0d49ab8dc2b145f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "078fae8f50adebb903ccf2252b44391324571e78",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "85fd46ee26a11841c670449508025965f61ce131",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5778c398713692a16150ae96e5c8270bab8399f",
                            "lessThan": "a58c5af19ff0d6f44f6e9fe31e33a2c92223f77e",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

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": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.84",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.25",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.2",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current