CVE-2026-89691Published

nfsd: clear opcnt on compound arg release to prevent OOB read

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-2026-89691

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/nfsd/nfs4xdr.c"
                    ],
                    "versions": [
                        {
                            "version": "bd9d6a3efa9709e653aafbeb859289feccb8e70c",
                            "lessThan": "58bcdfb2b2e412088839ae740b1a95154dc0b8d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bd9d6a3efa9709e653aafbeb859289feccb8e70c",
                            "lessThan": "e879148867bd4c4cac42e063ffaffa187dddc6fe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bd9d6a3efa9709e653aafbeb859289feccb8e70c",
                            "lessThan": "c1a4f7b1848f95302df598217e1c7a1410c2d0c5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bd9d6a3efa9709e653aafbeb859289feccb8e70c",
                            "lessThan": "ae4c38555e81563b8dc5eae55ffd70f0ea97aa5a",
                            "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/nfsd/nfs4xdr.c"
                    ],
                    "versions": [
                        {
                            "version": "6.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.7",
                            "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