{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21883",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.782Z",
        "datePublished": "2025-03-27T14:57:11.766Z",
        "dateUpdated": "2026-05-11T21:08:22.109Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:08:22.109Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix deinitializing VF in error path\n\nIf ice_ena_vfs() fails after calling ice_create_vf_entries(), it frees\nall VFs without removing them from snapshot PF-VF mailbox list, leading\nto list corruption.\n\nReproducer:\n  devlink dev eswitch set $PF1_PCI mode switchdev\n  ip l s $PF1 up\n  ip l s $PF1 promisc on\n  sleep 1\n  echo 1 > /sys/class/net/$PF1/device/sriov_numvfs\n  sleep 1\n  echo 1 > /sys/class/net/$PF1/device/sriov_numvfs\n\nTrace (minimized):\n  list_add corruption. next->prev should be prev (ffff8882e241c6f0), but was 0000000000000000. (next=ffff888455da1330).\n  kernel BUG at lib/list_debug.c:29!\n  RIP: 0010:__list_add_valid_or_report+0xa6/0x100\n   ice_mbx_init_vf_info+0xa7/0x180 [ice]\n   ice_initialize_vf_entry+0x1fa/0x250 [ice]\n   ice_sriov_configure+0x8d7/0x1520 [ice]\n   ? __percpu_ref_switch_mode+0x1b1/0x5d0\n   ? __pfx_ice_sriov_configure+0x10/0x10 [ice]\n\nSometimes a KASAN report can be seen instead with a similar stack trace:\n  BUG: KASAN: use-after-free in __list_add_valid_or_report+0xf1/0x100\n\nVFs are added to this list in ice_mbx_init_vf_info(), but only removed\nin ice_free_vfs(). Move the removing to ice_free_vf_entries(), which is\nalso being called in other places where VFs are being removed (including\nice_free_vfs() itself)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/intel/ice/ice_sriov.c",
                        "drivers/net/ethernet/intel/ice/ice_vf_lib.c",
                        "drivers/net/ethernet/intel/ice/ice_vf_lib_private.h"
                    ],
                    "versions": [
                        {
                            "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e",
                            "lessThan": "3c01102bec9592928e6b155da41cfcd5d25a2066",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e",
                            "lessThan": "a4880583f88deba63504ce1c8287a70d39c01378",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e",
                            "lessThan": "34393fd78d7183a007eaf0090966ebedcc29bd57",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e",
                            "lessThan": "79990cf5e7aded76d0c092c9f5ed31eb1c75e02c",
                            "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/intel/ice/ice_sriov.c",
                        "drivers/net/ethernet/intel/ice/ice_vf_lib.c",
                        "drivers/net/ethernet/intel/ice/ice_vf_lib_private.h"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.81",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.18",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.6",
                            "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:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.6.81"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.12.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.13.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.14"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3c01102bec9592928e6b155da41cfcd5d25a2066"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a4880583f88deba63504ce1c8287a70d39c01378"
                },
                {
                    "url": "https://git.kernel.org/stable/c/34393fd78d7183a007eaf0090966ebedcc29bd57"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79990cf5e7aded76d0c092c9f5ed31eb1c75e02c"
                }
            ],
            "title": "ice: Fix deinitializing VF in error path",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}