{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21799",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.770Z",
        "datePublished": "2025-02-27T20:00:54.223Z",
        "dateUpdated": "2026-05-11T21:06:43.610Z"
    },
    "containers": {
        "cna": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:06:43.610Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ti: am65-cpsw: fix freeing IRQ in am65_cpsw_nuss_remove_tx_chns()\n\nWhen getting the IRQ we use k3_udma_glue_tx_get_irq() which returns\nnegative error value on error. So not NULL check is not sufficient\nto deteremine if IRQ is valid. Check that IRQ is greater then zero\nto ensure it is valid.\n\nThere is no issue at probe time but at runtime user can invoke\n.set_channels which results in the following call chain.\nam65_cpsw_set_channels()\n am65_cpsw_nuss_update_tx_rx_chns()\n  am65_cpsw_nuss_remove_tx_chns()\n  am65_cpsw_nuss_init_tx_chns()\n\nAt this point if am65_cpsw_nuss_init_tx_chns() fails due to\nk3_udma_glue_tx_get_irq() then tx_chn->irq will be set to a\nnegative value.\n\nThen, at subsequent .set_channels with higher channel count we\nwill attempt to free an invalid IRQ in am65_cpsw_nuss_remove_tx_chns()\nleading to a kernel warning.\n\nThe issue is present in the original commit that introduced this driver,\nalthough there, am65_cpsw_nuss_update_tx_rx_chns() existed as\nam65_cpsw_nuss_update_tx_chns()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/ti/am65-cpsw-nuss.c"
                    ],
                    "versions": [
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "321990fdf4f1bb64e818c7140688bf33d129e48d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "ed8c0300f302338c36edb06bca99051e5be6fb2f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "aea5cca681d268f794fa2385f9ec26a5cce025cd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "88fd5db8c0073bd91d18391feb5741aeb0a2b475",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "8448c87b3af68bebca21e3136913f7f77e363515",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "8aae91ae1c65782a169ec070e023d4d269e5d6e6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                            "lessThan": "4395a44acb15850e492dd1de9ec4b6479d96bc80",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/ti/am65-cpsw-nuss.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "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": "6.1.129",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.76",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.13",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.2",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "5.7",
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                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.14"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/321990fdf4f1bb64e818c7140688bf33d129e48d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed8c0300f302338c36edb06bca99051e5be6fb2f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aea5cca681d268f794fa2385f9ec26a5cce025cd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/88fd5db8c0073bd91d18391feb5741aeb0a2b475"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8448c87b3af68bebca21e3136913f7f77e363515"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8aae91ae1c65782a169ec070e023d4d269e5d6e6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4395a44acb15850e492dd1de9ec4b6479d96bc80"
                }
            ],
            "title": "net: ethernet: ti: am65-cpsw: fix freeing IRQ in am65_cpsw_nuss_remove_tx_chns()",
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        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
                    },
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                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"
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}