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ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

cve-program · CVE-2026-31478

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/server/smb2pdu.c"
                    ],
                    "versions": [
                        {
                            "version": "f2283680a80571ca82d710bc6ecd8f8beac67d63",
                            "lessThan": "70b4c414889492c522b6e4331562360f49be2361",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f297df20d93411c0b4ddad7f88ba04a7cd36e77",
                            "lessThan": "9a7166f0ef8cbb7bb48dd05e2471d995566003f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "c3a89e3ec1ccf64fa6a34e391e1581ebbcba8683",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "6aef1765d6807e0f027cd87f6ac973eb0879a46d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "80824c7e527b70cf9039534e60aff592e8f209d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "4cb537ae4f37d7d0f617815ed4bed7173fb50861",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "0e55f63dd08f09651d39e1b709a91705a8a0ddcb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.145",
                            "lessThan": "5.15.203",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.71",
                            "lessThan": "6.1.168",
                            "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/server/smb2pdu.c"
                    ],
                    "versions": [
                        {
                            "version": "6.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

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Sources read 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current