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bpf: Fix NULL-ptr-deref in btf_var_show()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-98063

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/btf.c"
                    ],
                    "versions": [
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "5756450c9a702da0efb4a993d0a6766b965736f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "e83fcbe3b5d4a1ffb0569bb7c280358065c6017a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "e0d6a06171633d3ee3f7a39b57e5c845fb2b79f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "aec0a9c1579eb9edf534960be592d09481bd7ac3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "e472ae0d97865e2021ee668a13eab64013aebf23",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "ca086264e98108b44fdf53971033811a48defe2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "ea383b3ea56979ce54c8aa88e6ec67164986c401",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4d0bfb45068d853a478b9067a95969b1886a30f",
                            "lessThan": "5403a383f52fc0905703b488f7c3db4b2447dc58",
                            "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/btf.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "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

ChangeIntel

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Sources read 9 Nov 01:18 UTC · 275 of 275 readable · 272 fully read · documentation 469/469 current