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pfifo_tail_enqueue: Drop new packet when sch->limit == 0

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-2025-21702

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": [
                        "net/sched/sch_fifo.c"
                    ],
                    "versions": [
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "78285b53266d6d51fa4ff504a23df03852eba84e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "7a9723ec27aff5674f1fd4934608937f1d650980",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "a56a6e8589a9b98d8171611fbcc1e45a15fd2455",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "020ecb76812a0526f4130ab5aeb6dc7c773e7ab9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "79a955ea4a2e5ddf4a36328959de0de496419888",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "e40cb34b7f247fe2e366fd192700d1b4f38196ca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "b6a079c3b6f95378f26e2aeda520cb3176f7067b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "57dbb2d83d100ea601c54fe129bfde0678db5dee",
                            "lessThan": "647cef20e649c576dff271e018d5d15d998b629d",
                            "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": [
                        "net/sched/sch_fifo.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.34",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.34",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.291",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.235",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.179",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.130",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.83",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.14",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.3",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 9 Nov 19:13 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current