CVE-2026-89991Published

bpf: Fix infinite loop in pcpu_freelist push with one possible CPU

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-2026-89991

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/bpf/percpu_freelist.c",
                        "kernel/bpf/percpu_freelist.h"
                    ],
                    "versions": [
                        {
                            "version": "f2ac0e5d1c4dcc55d6510dcaefb8f45661a9a1fb",
                            "lessThan": "a24a146ae2cb5d9faeea96d10010fcb6579abe1f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2ac0e5d1c4dcc55d6510dcaefb8f45661a9a1fb",
                            "lessThan": "a5b5e62baceff9e252c6535cf42a027d04f226cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2ac0e5d1c4dcc55d6510dcaefb8f45661a9a1fb",
                            "lessThan": "efebf6496685c93150df5bb0794363ae70c5f58a",
                            "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/bpf/percpu_freelist.c",
                        "kernel/bpf/percpu_freelist.h"
                    ],
                    "versions": [
                        {
                            "version": "6.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "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