{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21662",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.732Z",
        "datePublished": "2025-01-21T12:18:17.674Z",
        "dateUpdated": "2026-05-23T15:56:49.641Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:56:49.641Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix variable not being completed when function returns\n\nWhen cmd_alloc_index(), fails cmd_work_handler() needs\nto complete ent->slotted before returning early.\nOtherwise the task which issued the command may hang:\n\n   mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry\n   INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.\n         Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1\n   \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n   kworker/13:2    D    0 4055883      2 0x00000228\n   Workqueue: events mlx5e_tx_dim_work [mlx5_core]\n   Call trace:\n      __switch_to+0xe8/0x150\n      __schedule+0x2a8/0x9b8\n      schedule+0x2c/0x88\n      schedule_timeout+0x204/0x478\n      wait_for_common+0x154/0x250\n      wait_for_completion+0x28/0x38\n      cmd_exec+0x7a0/0xa00 [mlx5_core]\n      mlx5_cmd_exec+0x54/0x80 [mlx5_core]\n      mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]\n      mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]\n      mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]\n      process_one_work+0x1b0/0x448\n      worker_thread+0x54/0x468\n      kthread+0x134/0x138\n      ret_from_fork+0x10/0x18"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
                    ],
                    "versions": [
                        {
                            "version": "4baae687a20ef2b82fde12de3c04461e6f2521d6",
                            "lessThan": "f0a2808767ac39f64b1d9a0ff865c255073cf3d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9caccdd42e999b74303c9b0643300073ed5d319",
                            "lessThan": "229cc10284373fbe754e623b7033dca7e7470ec8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "485d65e1357123a697c591a5aeb773994b247ad7",
                            "lessThan": "36124081f6ffd9dfaad48830bdf106bb82a9457d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "485d65e1357123a697c591a5aeb773994b247ad7",
                            "lessThan": "0e2909c6bec9048f49d0c8e16887c63b50b14647",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d0962d05c93de391ce85f6e764df895f47c8918",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "94024332a129c6e4275569d85c0c1bfb2ae2d71b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.93",
                            "lessThan": "6.1.125",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.33",
                            "lessThan": "6.6.72",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.8.12",
                            "lessThan": "6.9",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.9.3",
                            "lessThan": "6.10",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.125",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.72",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.10",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13",
                            "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:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.93",
                                    "versionEndExcluding": "6.1.125"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6.33",
                                    "versionEndExcluding": "6.6.72"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.12.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8.12"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.9.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647"
                }
            ],
            "title": "net/mlx5: Fix variable not being completed when function returns",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T20:58:37.583Z"
                }
            }
        ]
    }
}