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net/sched: sch_fq_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen

cve-program · CVE-2026-80630

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_fq_codel.c"
                    ],
                    "versions": [
                        {
                            "version": "cc71a757da78dd4aa1b4a9b19cb011833730ccf2",
                            "lessThan": "3e515188393e62a718ccebee651ee74514104ff6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450",
                            "lessThan": "20dd591d8f951e1e6aca5052be8785e6181055e2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "829c49b6b2ff45b043739168fd1245e4e1a91a30",
                            "lessThan": "94a5f1efdefb01f82cd228bf4e7ef1e8fc075c80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f9761a94bae33d26e6a81b31b36e7d776d93dc1",
                            "lessThan": "acc08a0c7f37ebb1901144e03a7cba7d4afd9203",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4d55144b12e742404bb3f8fee6038bafbf45619d",
                            "lessThan": "7c09843fd2b44d9bf0de798683861d1aecd62a08",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "342debc12183b51773b3345ba267e9263bdfaaef",
                            "lessThan": "0500af8630c3253f0dde879bd3a73a06bb2f2b3f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "342debc12183b51773b3345ba267e9263bdfaaef",
                            "lessThan": "af54df2f44d9605614bc7ed96640302a240a9a62",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "342debc12183b51773b3345ba267e9263bdfaaef",
                            "lessThan": "097f6fc7b1ae362dd7a9444b2572162fda73b284",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7a742a9506849d1c1aa71e36c89855ceddc7d58e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e73c838c80dccb9e4f19becc11d9f3cb4a27d483",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.241",
                            "lessThan": "5.10.261",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.190",
                            "lessThan": "5.15.212",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.135",
                            "lessThan": "6.1.178",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.88",
                            "lessThan": "6.6.145",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.24",
                            "lessThan": "6.12.97",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.297",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.12",
                            "lessThan": "6.14",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.3",
                            "lessThan": "6.15",
                            "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": [
                        "net/sched/sch_fq_codel.c"
                    ],
                    "versions": [
                        {
                            "version": "6.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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 9 Nov 07:39 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current