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smb: client: fix use-after-free in cifs_oplock_break

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-2025-38527

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/file.c"
                    ],
                    "versions": [
                        {
                            "version": "b98749cac4a695f084a5ff076f4510b23e353ecd",
                            "lessThan": "4256a483fe58af66a46cbf3dc48ff26e580d3308",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b98749cac4a695f084a5ff076f4510b23e353ecd",
                            "lessThan": "0a4eec84d4d2c4085d4ed8630fd74e4b39033c1b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b98749cac4a695f084a5ff076f4510b23e353ecd",
                            "lessThan": "2baaf5bbab2ac474c4f92c10fcb3310f824db995",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b98749cac4a695f084a5ff076f4510b23e353ecd",
                            "lessThan": "09bce2138a30ef10d8821c8c3f73a4ab7a5726bc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b98749cac4a695f084a5ff076f4510b23e353ecd",
                            "lessThan": "da11bd4b697b393a207f19a2ed7d382a811a3ddc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b98749cac4a695f084a5ff076f4510b23e353ecd",
                            "lessThan": "705c79101ccf9edea5a00d761491a03ced314210",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2429fcf06d3cb962693868ab0a927c9038f12a2d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1ee4f2d7cdcd4508cc3cbe3b2622d7177b89da12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53fc31a4853e30d6e8f142b824f724da27ff3e40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8092ecc306d81186a64cda42411121f4d35aaff4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ebac4d0adf68f8962bd82fcf483936edd6ec095b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3.16.72",
                            "lessThan": "3.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.171",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.114",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.37",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.0.10",
                            "lessThan": "5.1",
                            "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/file.c"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.190",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.147",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.100",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.40",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.8",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 9 Nov 11:51 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current