CVE-2024-53088 (GCVE-0-2024-53088)

Vulnerability from cvelistv5 – Published: 2024-11-19 17:45 – Updated: 2026-08-05 11:43
VLAI
Title
i40e: fix race condition by adding filter's intermediate sync state
Summary
In the Linux kernel, the following vulnerability has been resolved: i40e: fix race condition by adding filter's intermediate sync state Fix a race condition in the i40e driver that leads to MAC/VLAN filters becoming corrupted and leaking. Address the issue that occurs under heavy load when multiple threads are concurrently modifying MAC/VLAN filters by setting mac and port VLAN. 1. Thread T0 allocates a filter in i40e_add_filter() within i40e_ndo_set_vf_port_vlan(). 2. Thread T1 concurrently frees the filter in __i40e_del_filter() within i40e_ndo_set_vf_mac(). 3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which refers to the already freed filter memory, causing corruption. Reproduction steps: 1. Spawn multiple VFs. 2. Apply a concurrent heavy load by running parallel operations to change MAC addresses on the VFs and change port VLANs on the host. 3. Observe errors in dmesg: "Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX, please set promiscuous on manually for VF XX". Exact code for stable reproduction Intel can't open-source now. The fix involves implementing a new intermediate filter state, I40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list. These filters cannot be deleted from the hash list directly but must be removed using the full process.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:11 UTC
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 278e7d0b9d6864a9749b9473a273892aa1528621 , < 262dc6ea5f1eb18c4d08ad83d51222d0dd0dd42a (git)
Affected: 278e7d0b9d6864a9749b9473a273892aa1528621 , < 7ad3fb3bfd43feb4e15c81dffd23ac4e55742791 (git)
Affected: 278e7d0b9d6864a9749b9473a273892aa1528621 , < bf5f837d9fd27d32fb76df0a108babcaf4446ff1 (git)
Affected: 278e7d0b9d6864a9749b9473a273892aa1528621 , < 6e046f4937474bc1b9fa980c1ad8f3253fc638f6 (git)
Affected: 278e7d0b9d6864a9749b9473a273892aa1528621 , < f30490e9695ef7da3d0899c6a0293cc7cd373567 (git)
Create a notification for this product.
Linux Linux Affected: 4.10
Unaffected: 0 , < 4.10 (semver)
Unaffected: 5.15.172 , ≤ 5.15.* (semver)
Unaffected: 6.1.117 , ≤ 6.1.* (semver)
Unaffected: 6.6.61 , ≤ 6.6.* (semver)
Unaffected: 6.11.8 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix race condition by adding filter\u0027s intermediate sync state\n\nFix a race condition in the i40e driver that leads to MAC/VLAN filters\nbecoming corrupted and leaking. Address the issue that occurs under\nheavy load when multiple threads are concurrently modifying MAC/VLAN\nfilters by setting mac and port VLAN.\n\n1. Thread T0 allocates a filter in i40e_add_filter() within\n        i40e_ndo_set_vf_port_vlan().\n2. Thread T1 concurrently frees the filter in __i40e_del_filter() within\n        i40e_ndo_set_vf_mac().\n3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which\n        refers to the already freed filter memory, causing corruption.\n\nReproduction steps:\n1. Spawn multiple VFs.\n2. Apply a concurrent heavy load by running parallel operations to change\n        MAC addresses on the VFs and change port VLANs on the host.\n3. Observe errors in dmesg:\n\"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,\n\tplease set promiscuous on manually for VF XX\".\n\nExact code for stable reproduction Intel can\u0027t open-source now.\n\nThe fix involves implementing a new intermediate filter state,\nI40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.\nThese filters cannot be deleted from the hash list directly but\nmust be removed using the full process."
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              "value": "AV:L - The race is driven through local socket/netlink operations on the i40e interface (multicast join/leave via setsockopt, or rtnetlink VF MAC/port-VLAN changes) which manipulate the driver\u0027s MAC/VLAN filter hash. No remote peer data reaches the vulnerable code path.\nAC:L - The attacker controls both sides of the race \u2014 creating the I40E_FILTER_NEW filter, scheduling the sync via __I40E_MACVLAN_SYNC_PENDING, and issuing the free \u2014 and the window is milliseconds wide while i40e_sync_vsi_filters() waits on firmware admin-queue commands with mac_filter_hash_lock dropped. The loop can be retried indefinitely at no cost.\nPR:L - An entirely unprivileged local user can reach __i40e_del_filter() via IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP, which flows through ip_mc_filter_add/del \u2192 dev_mc_add/del \u2192 i40e_set_rx_mode \u2192 i40e_addr_sync/unsync with no capability check anywhere on the path. CAP_NET_ADMIN is not required, only a local account.\nUI:N - Exploitation is fully self-driven by the attacker\u0027s own socket operations against the i40e netdev; no action by any other user or administrator is needed.\nS:U - The use-after-free corrupts host kernel heap memory managed by the same security authority as the attacker\u0027s context, i.e. standard in-kernel memory corruption and privilege escalation.\nC:H - The freed i40e_mac_filter is dereferenced for macaddr and vlan, and those stale heap bytes are programmed into the NIC\u0027s hardware filter table, so reoccupied kernel heap contents leak into observable device state; per UAF scoring this supports arbitrary read leverage.\nI:H - The sync path writes new-\u003ef-\u003estate into the freed kmalloc-32 chunk (offset 24, potentially clobbering the SLUB freelist pointer) and corrupts netdev_hw_addr refcounts, giving a spray-and-write primitive usable for control-flow hijacking; the bug also leaves stale/leaked hardware MAC filters and forces promiscuous mode.\nA:H - Use-after-free on a heavily shared kmalloc-32 cache causes slab corruption, refcount corruption and kernel panics/oopses (immediate BUG under KASAN or hardened allocators), and the filter leak degrades the interface until reset."
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-53088\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-19T18:15:27.950\",\"lastModified\":\"2026-08-04T11:21:49.180\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ni40e: fix race condition by adding filter\u0027s intermediate sync state\\n\\nFix a race condition in the i40e driver that leads to MAC/VLAN filters\\nbecoming corrupted and leaking. Address the issue that occurs under\\nheavy load when multiple threads are concurrently modifying MAC/VLAN\\nfilters by setting mac and port VLAN.\\n\\n1. Thread T0 allocates a filter in i40e_add_filter() within\\n        i40e_ndo_set_vf_port_vlan().\\n2. Thread T1 concurrently frees the filter in __i40e_del_filter() within\\n        i40e_ndo_set_vf_mac().\\n3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which\\n        refers to the already freed filter memory, causing corruption.\\n\\nReproduction steps:\\n1. Spawn multiple VFs.\\n2. Apply a concurrent heavy load by running parallel operations to change\\n        MAC addresses on the VFs and change port VLANs on the host.\\n3. Observe errors in dmesg:\\n\\\"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,\\n\\tplease set promiscuous on manually for VF XX\\\".\\n\\nExact code for stable reproduction Intel can\u0027t open-source now.\\n\\nThe fix involves implementing a new intermediate filter state,\\nI40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.\\nThese filters cannot be deleted from the hash list directly but\\nmust be removed using the full process.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i40e: corregir la condici\u00f3n de ejecuci\u00f3n a\u00f1adiendo el estado de sincronizaci\u00f3n intermedio del filtro Corrige una condici\u00f3n de ejecuci\u00f3n en el controlador i40e que provoca que los filtros MAC/VLAN se corrompan y tengan fugas. Aborda el problema que se produce bajo una carga pesada cuando varios subprocesos modifican simult\u00e1neamente los filtros MAC/VLAN configurando mac y puerto VLAN. 1. El subproceso T0 asigna un filtro en i40e_add_filter() dentro de i40e_ndo_set_vf_port_vlan(). 2. El subproceso T1 libera simult\u00e1neamente el filtro en __i40e_del_filter() dentro de i40e_ndo_set_vf_mac(). 3. Posteriormente, i40e_service_task() llama a i40e_sync_vsi_filters(), que hace referencia a la memoria del filtro ya liberada, lo que provoca la corrupci\u00f3n. Pasos de reproducci\u00f3n: 1. Generar varios VF. 2. Aplique una carga pesada simult\u00e1nea ejecutando operaciones paralelas para cambiar las direcciones MAC en las VF y cambiar las VLAN de puerto en el host. 3. Observe los errores en dmesg: \\\"Error I40E_AQ_RC_ENOSPC al agregar filtros RX en VF XX, active manualmente la promiscuidad para VF XX\\\". C\u00f3digo exacto para reproducci\u00f3n estable Intel no puede abrir el c\u00f3digo fuente ahora. La soluci\u00f3n implica implementar un nuevo estado de filtro intermedio, I40E_FILTER_NEW_SYNC, para el momento en que un filtro est\u00e9 en una lista tmp_add_list. Estos filtros no se pueden eliminar de la lista hash directamente, sino que se deben eliminar mediante el proceso 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T14:13:33+00:00",
      "cve": "CVE-2024-53088",
      "id": "CVE-2024-53088",
      "initial_release_date": "2024-11-19T00:00:00+00:00",
      "product_status:fixed": "709",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: i40e: fix race condition by adding filter\u0027s intermediate sync state",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53088.json",
      "version": "3"
    },
    "vulnrichment": {
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No remote peer data reaches the vulnerable code path.\\nAC:L - The attacker controls both sides of the race \\u2014 creating the I40E_FILTER_NEW filter, scheduling the sync via __I40E_MACVLAN_SYNC_PENDING, and issuing the free \\u2014 and the window is milliseconds wide while i40e_sync_vsi_filters() waits on firmware admin-queue commands with mac_filter_hash_lock dropped. The loop can be retried indefinitely at no cost.\\nPR:L - An entirely unprivileged local user can reach __i40e_del_filter() via IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP, which flows through ip_mc_filter_add/del \\u2192 dev_mc_add/del \\u2192 i40e_set_rx_mode \\u2192 i40e_addr_sync/unsync with no capability check anywhere on the path. CAP_NET_ADMIN is not required, only a local account.\\nUI:N - Exploitation is fully self-driven by the attacker\u0027s own socket operations against the i40e netdev; no action by any other user or administrator is needed.\\nS:U - The use-after-free corrupts host kernel heap memory managed by the same security authority as the attacker\u0027s context, i.e. standard in-kernel memory corruption and privilege escalation.\\nC:H - The freed i40e_mac_filter is dereferenced for macaddr and vlan, and those stale heap bytes are programmed into the NIC\u0027s hardware filter table, so reoccupied kernel heap contents leak into observable device state; per UAF scoring this supports arbitrary read leverage.\\nI:H - The sync path writes new-\u003ef-\u003estate into the freed kmalloc-32 chunk (offset 24, potentially clobbering the SLUB freelist pointer) and corrupts netdev_hw_addr refcounts, giving a spray-and-write primitive usable for control-flow hijacking; the bug also leaves stale/leaked hardware MAC filters and forces promiscuous mode.\\nA:H - Use-after-free on a heavily shared kmalloc-32 cache causes slab corruption, refcount corruption and kernel panics/oopses (immediate BUG under KASAN or hardened allocators), and the filter leak degrades the interface until reset.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"278e7d0b9d6864a9749b9473a273892aa1528621\", \"lessThan\": \"262dc6ea5f1eb18c4d08ad83d51222d0dd0dd42a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"278e7d0b9d6864a9749b9473a273892aa1528621\", \"lessThan\": \"7ad3fb3bfd43feb4e15c81dffd23ac4e55742791\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"278e7d0b9d6864a9749b9473a273892aa1528621\", \"lessThan\": \"bf5f837d9fd27d32fb76df0a108babcaf4446ff1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"278e7d0b9d6864a9749b9473a273892aa1528621\", \"lessThan\": \"6e046f4937474bc1b9fa980c1ad8f3253fc638f6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"278e7d0b9d6864a9749b9473a273892aa1528621\", \"lessThan\": \"f30490e9695ef7da3d0899c6a0293cc7cd373567\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/intel/i40e/i40e.h\", \"drivers/net/ethernet/intel/i40e/i40e_debugfs.c\", \"drivers/net/ethernet/intel/i40e/i40e_main.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.172\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.117\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.61\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/intel/i40e/i40e.h\", \"drivers/net/ethernet/intel/i40e/i40e_debugfs.c\", \"drivers/net/ethernet/intel/i40e/i40e_main.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/262dc6ea5f1eb18c4d08ad83d51222d0dd0dd42a\"}, {\"url\": \"https://git.kernel.org/stable/c/7ad3fb3bfd43feb4e15c81dffd23ac4e55742791\"}, {\"url\": \"https://git.kernel.org/stable/c/bf5f837d9fd27d32fb76df0a108babcaf4446ff1\"}, {\"url\": \"https://git.kernel.org/stable/c/6e046f4937474bc1b9fa980c1ad8f3253fc638f6\"}, {\"url\": \"https://git.kernel.org/stable/c/f30490e9695ef7da3d0899c6a0293cc7cd373567\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ni40e: fix race condition by adding filter\u0027s intermediate sync state\\n\\nFix a race condition in the i40e driver that leads to MAC/VLAN filters\\nbecoming corrupted and leaking. Address the issue that occurs under\\nheavy load when multiple threads are concurrently modifying MAC/VLAN\\nfilters by setting mac and port VLAN.\\n\\n1. Thread T0 allocates a filter in i40e_add_filter() within\\n        i40e_ndo_set_vf_port_vlan().\\n2. Thread T1 concurrently frees the filter in __i40e_del_filter() within\\n        i40e_ndo_set_vf_mac().\\n3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which\\n        refers to the already freed filter memory, causing corruption.\\n\\nReproduction steps:\\n1. Spawn multiple VFs.\\n2. Apply a concurrent heavy load by running parallel operations to change\\n        MAC addresses on the VFs and change port VLANs on the host.\\n3. Observe errors in dmesg:\\n\\\"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,\\n\\tplease set promiscuous on manually for VF XX\\\".\\n\\nExact code for stable reproduction Intel can\u0027t open-source now.\\n\\nThe fix involves implementing a new intermediate filter state,\\nI40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.\\nThese filters cannot be deleted from the hash list directly but\\nmust be removed using the full process.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.172\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.117\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.61\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.8\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"4.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:43:32.629Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-53088\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:43:32.629Z\", \"dateReserved\": \"2024-11-19T17:17:24.980Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-19T17:45:16.169Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.