CVE-2026-89502Published

ring-buffer: Free cpu_buffer::free_page with subbuf_order

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-2026-89502

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": [
                        "kernel/trace/ring_buffer.c"
                    ],
                    "versions": [
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "77275ccea06eaf297e8e6ac3fc830cb72086379a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "8c1ecdcdea738efe0494af908f12c0ae3a97fffa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "81063bbb16c4fcf0136c9117d5e49d3621dd6a1e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "234b1a72e9706fe20c08c96f4374ec8e83b934cb",
                            "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": [
                        "kernel/trace/ring_buffer.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "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