CVE-2026-89501Published

ring-buffer: Hold cpu_buffer::lock when resizing a subbuf

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-2026-89501

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": "8e7b58c27b3c567316a51079b375b846f9223bba",
                            "lessThan": "8a496aaa3da6e8d545896c2370c7e617cc931ae2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8e7b58c27b3c567316a51079b375b846f9223bba",
                            "lessThan": "6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8e7b58c27b3c567316a51079b375b846f9223bba",
                            "lessThan": "bf242baf58de03467f226c8e29554c9495dca7fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8e7b58c27b3c567316a51079b375b846f9223bba",
                            "lessThan": "24974bd0da1b47fd56c975533ead50abf754e74d",
                            "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