CVE-2026-89771Published

ring-buffer: Fix subbuf resize race with ring buffer readers

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-2026-89771

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": "6d666f0b8b36c0765cf19fbe6de5a7ba5a73aad9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "50f4a793c4ff24826efb0ac700989a5063cc53df",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "0c7c517827a453128a8f58bfd849546a29813b27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
                            "lessThan": "8a5f63637890f03177146efddaba5ec7a1b4d61f",
                            "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