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ksmbd: fix out-of-bounds write in smb2_get_ea() EA alignment

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-2026-31705

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": "9f297df20d93411c0b4ddad7f88ba04a7cd36e77",
                            "lessThan": "ddbbc8b2a09dd2cfed90871313e3691ae1db08a2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "ffbce350c6fd1e99116ea57383b9031717e36d3b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "98f3de6ef4efbd899348d333f0902dc4ff14380c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "790304c02bf9bd7b8171feda4294d6e62d32ae8f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "922d48fe8c19f388ffa2f709f33acaae4e408de2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d",
                            "lessThan": "30010c952077a1c89ecdd71fc4d574c75a8f5617",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2283680a80571ca82d710bc6ecd8f8beac67d63",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.71",
                            "lessThan": "6.1.175",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.145",
                            "lessThan": "5.16",
                            "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": "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 9 Nov 18:10 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current