CVE-2025-21883

{"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3c01102bec9592928e6b155da41cfcd5d25a2066", "status": "affected", "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e", "versionType": "git"}, {"lessThan": "a4880583f88deba63504ce1c8287a70d39c01378", "status": "affected", "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e", "versionType": "git"}, {"lessThan": "34393fd78d7183a007eaf0090966ebedcc29bd57", "status": "affected", "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e", "versionType": "git"}, {"lessThan": "79990cf5e7aded76d0c092c9f5ed31eb1c75e02c", "status": "affected", "version": "8cd8a6b17d275a45e3722d0215f6115b687c8c3e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.81", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.18", "versionType": "semver"}, {"lessThanOrEqual": "6.13.*", "status": "unaffected", "version": "6.13.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.14", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "43BFDFF7-7618-42C6-9556-24E4CC326061", "versionEndExcluding": "6.6.81", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3D5C8D9A-4013-4C1A-810F-AA540BB5737C", "versionEndExcluding": "6.12.18", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64F12D9B-71C2-4CD7-A288-0D5EF1709620", "versionEndExcluding": "6.13.6", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "186716B6-2B66-4BD0-852E-D48E71C0C85F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D3E781C-403A-498F-9DA9-ECEE50F41E75", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*", "matchCriteriaId": "66619FB8-0AAF-4166-B2CF-67B24143261D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*", "matchCriteriaId": "D3D6550E-6679-4560-902D-AF52DCFE905B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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)."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ice: Se corrige la desinicializaci\u00f3n de VF en la ruta de error. Si ice_ena_vfs() falla tras llamar a ice_create_vf_entries(), libera todas las VF sin eliminarlas de la lista de buzones PF-VF de la instant\u00e1nea, lo que provoca la corrupci\u00f3n de la lista. Reproductor: devlink dev eswitch set $PF1_PCI mode switchdev ip ls $PF1 up ip ls $PF1 promisc on sleep 1 echo 1 > /sys/class/net/$PF1/device/sriov_numvfs sleep 1 echo 1 > /sys/class/net/$PF1/device/sriov_numvfs Rastreo (minimizado): corrupci\u00f3n de list_add. siguiente->anterior deber\u00eda ser anterior (ffff8882e241c6f0), pero era 0000000000000000. (siguiente=ffff888455da1330). \u00a1ERROR del n\u00facleo en lib/list_debug.c:29! RIP: 0010:__list_add_valid_or_report+0xa6/0x100 ice_mbx_init_vf_info+0xa7/0x180 [ice] ice_initialize_vf_entry+0x1fa/0x250 [ice] ice_sriov_configure+0x8d7/0x1520 [ice] ? __percpu_ref_switch_mode+0x1b1/0x5d0 ? __pfx_ice_sriov_configure+0x10/0x10 [ice] A veces, un informe de KASAN se puede ver con un seguimiento de pila similar: ERROR: KASAN: use-after-free en __list_add_valid_or_report+0xf1/0x100. Los VF se a\u00f1aden a esta lista en ice_mbx_init_vf_info(), pero solo se eliminan en ice_free_vfs(). Traslada la eliminaci\u00f3n a ice_free_vf_entries(), que tambi\u00e9n se invoca en otros lugares donde se eliminan VF (incluido el propio ice_free_vfs())."}], "id": "CVE-2025-21883", "lastModified": "2026-06-17T08:44:31.533", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-03-27T15:15:56.210", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34393fd78d7183a007eaf0090966ebedcc29bd57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c01102bec9592928e6b155da41cfcd5d25a2066"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79990cf5e7aded76d0c092c9f5ed31eb1c75e02c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a4880583f88deba63504ce1c8287a70d39c01378"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:9896", "cpe": "cpe:/o:redhat:enterprise_linux:10.0", "package": "kernel-0:6.12.0-55.19.1.el10_0", "product_name": "Red Hat Enterprise Linux 10", "release_date": "2025-06-30T00:00:00Z"}, {"advisory": "RHSA-2025:9302", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.23.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-06-23T00:00:00Z"}, {"advisory": "RHSA-2025:9302", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.23.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-06-23T00:00:00Z"}], "bugzilla": {"description": "kernel: ice: Fix deinitializing VF in error path", "id": "2355415", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355415"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: Fix deinitializing VF in error path\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.\nReproducer:\ndevlink dev eswitch set $PF1_PCI mode switchdev\nip l s $PF1 up\nip l s $PF1 promisc on\nsleep 1\necho 1 > /sys/class/net/$PF1/device/sriov_numvfs\nsleep 1\necho 1 > /sys/class/net/$PF1/device/sriov_numvfs\nTrace (minimized):\nlist_add corruption. next->prev should be prev (ffff8882e241c6f0), but was 0000000000000000. (next=ffff888455da1330).\nkernel BUG at lib/list_debug.c:29!\nRIP: 0010:__list_add_valid_or_report+0xa6/0x100\nice_mbx_init_vf_info+0xa7/0x180 [ice]\nice_initialize_vf_entry+0x1fa/0x250 [ice]\nice_sriov_configure+0x8d7/0x1520 [ice]\n? __percpu_ref_switch_mode+0x1b1/0x5d0\n? __pfx_ice_sriov_configure+0x10/0x10 [ice]\nSometimes a KASAN report can be seen instead with a similar stack trace:\nBUG: KASAN: use-after-free in __list_add_valid_or_report+0xf1/0x100\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).", "A use-after-free vulnerability was discovered in the Linux kernel's Ethernet Connection E800 Series driver, which is responsible for managing network connections. This issue occurs when an attacker with local privileges intentionally triggers this error path, causing an error to occur in the ice_ena_vfs() function, a critical part of this driver."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, prevent module ice from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically."}, "name": "CVE-2025-21883", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21883\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21883\nhttps://lore.kernel.org/linux-cve-announce/2025032712-CVE-2025-21883-8b73@gregkh/T"], "statement": "This vulnerability specifically affects systems that are using the Ethernet Connection E800 Series driver, which is responsible for managing network connections. The problem arises because this driver has a specific error path that, if triggered, could cause a system crash or allow an attacker to gain elevated privileges.", "threat_severity": "Moderate"}

{}