CVE-2026-89634Published

smb: client: fix ALIGN() overflow in symlink_data() error context loop

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

Recorded JSON

cve-program · CVE-2026-89634

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/smb2file.c"
                    ],
                    "versions": [
                        {
                            "version": "76894f3e2f71177747b8b4763fb180e800279585",
                            "lessThan": "2b4a25baa0b936fef6915c0459925077b324ecaf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76894f3e2f71177747b8b4763fb180e800279585",
                            "lessThan": "b89d678f9eafcf8d74885983166ba26b40a04ea0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76894f3e2f71177747b8b4763fb180e800279585",
                            "lessThan": "657372ba6ea50b4474d2a6a610097eae8cd1f3e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76894f3e2f71177747b8b4763fb180e800279585",
                            "lessThan": "1f824f61d1df52392eaf0b74dfa5659d724fde30",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76894f3e2f71177747b8b4763fb180e800279585",
                            "lessThan": "62a3025983c8c735a3c6fc85a59316f31b59af07",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76894f3e2f71177747b8b4763fb180e800279585",
                            "lessThan": "62656b024efc21c3230eade1a847f25871c3d2bb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d046892a493d9760c35fdaefc3017f27f91b621",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.0.16",
                            "lessThan": "6.1",
                            "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/smb2file.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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