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bpf: backtracking shouldn't clear outer frame R1-R5 for callbacks

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-2026-98084

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/backtrack.c"
                    ],
                    "versions": [
                        {
                            "version": "b43550d7d58e7ae6618aaab18c1e912fa4d6e3dd",
                            "lessThan": "1ac58dab0a83d2c64e3b807a3a0b399f17a74110",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab5cfac139ab8576fb54630d4cca23c3e690ee90",
                            "lessThan": "cdc93c6370f792d0649df2a145ac0cdcd430e411",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab5cfac139ab8576fb54630d4cca23c3e690ee90",
                            "lessThan": "3a39bc9707fbd1bef4df7318a9d02222741dda5b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab5cfac139ab8576fb54630d4cca23c3e690ee90",
                            "lessThan": "f83890dfed9efc5e19df1dbc1ad707a142936923",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab5cfac139ab8576fb54630d4cca23c3e690ee90",
                            "lessThan": "e3e4f66cc4b72333d0886ae2673c360248987889",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.15",
                            "lessThan": "6.6.160",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

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/backtrack.c"
                    ],
                    "versions": [
                        {
                            "version": "6.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.114",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "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

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Sources read 8 Nov 09:07 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current