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FKIE_CVE-2025-38129

Vulnerability from fkie_nvd - Published: 2025-07-03 09:15 - Updated: 2026-07-30 06:22
Summary
In the Linux kernel, the following vulnerability has been resolved: page_pool: Fix use-after-free in page_pool_recycle_in_ring syzbot reported a uaf in page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 Read of size 8 at addr ffff8880286045a0 by task syz.0.284/6943 CPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline] _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline] page_pool_recycle_in_ring net/core/page_pool.c:707 [inline] page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826 page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline] page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline] napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036 skb_pp_recycle net/core/skbuff.c:1047 [inline] skb_free_head net/core/skbuff.c:1094 [inline] skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1263 [inline] __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline] root cause is: page_pool_recycle_in_ring ptr_ring_produce spin_lock(&r->producer_lock); WRITE_ONCE(r->queue[r->producer++], ptr) //recycle last page to pool page_pool_release page_pool_scrub page_pool_empty_ring ptr_ring_consume page_pool_return_page //release all page __page_pool_destroy free_percpu(pool->recycle_stats); free(pool) //free spin_unlock(&r->producer_lock); //pool->ring uaf read recycle_stat_inc(pool, ring); page_pool can be free while page pool recycle the last page in ring. Add producer-lock barrier to page_pool_release to prevent the page pool from being free before all pages have been recycled. recycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not enabled, which will trigger Wempty-body build warning. Add definition for pool stat macro to fix warning.
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/core/page_pool.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c2c906142293931e33ef4be79ebc36c25c4e21dd",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            },
            {
              "lessThan": "d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            },
            {
              "lessThan": "1a8c0b61d4cb55c5440583ec9e7f86a730369e32",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            },
            {
              "lessThan": "4914c0a166540e534a0c1d43affd329d95fb56fd",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            },
            {
              "lessThan": "e869a85acc2e60dc554579b910826a4919d8cd98",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            },
            {
              "lessThan": "4ab8c0f8905c9c4d05e7f437e65a9a365573ff02",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            },
            {
              "lessThan": "271683bb2cf32e5126c592b5d5e6a756fa374fd9",
              "status": "affected",
              "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/core/page_pool.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.18"
            },
            {
              "lessThan": "4.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.259",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.160",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.120",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D52CF84C-B143-4A91-B892-0DE244D504A7",
              "versionEndExcluding": "6.12.34",
              "versionStartIncluding": "4.18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92",
              "versionEndExcluding": "6.15.3",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\n\nsyzbot reported a uaf in page_pool_recycle_in_ring:\n\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\n\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:489\n kasan_report+0x143/0x180 mm/kasan/report.c:602\n lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\n page_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\n page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\n page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\n page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\n napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\n skb_pp_recycle net/core/skbuff.c:1047 [inline]\n skb_free_head net/core/skbuff.c:1094 [inline]\n skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb net/core/skbuff.c:1204 [inline]\n sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\n kfree_skb_reason include/linux/skbuff.h:1263 [inline]\n __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\n\nroot cause is:\n\npage_pool_recycle_in_ring\n  ptr_ring_produce\n    spin_lock(\u0026r-\u003eproducer_lock);\n    WRITE_ONCE(r-\u003equeue[r-\u003eproducer++], ptr)\n      //recycle last page to pool\n\t\t\t\tpage_pool_release\n\t\t\t\t  page_pool_scrub\n\t\t\t\t    page_pool_empty_ring\n\t\t\t\t      ptr_ring_consume\n\t\t\t\t      page_pool_return_page  //release all page\n\t\t\t\t  __page_pool_destroy\n\t\t\t\t     free_percpu(pool-\u003erecycle_stats);\n\t\t\t\t     free(pool) //free\n\n     spin_unlock(\u0026r-\u003eproducer_lock); //pool-\u003ering uaf read\n  recycle_stat_inc(pool, ring);\n\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\n\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: page_pool: Fix use-after-free en page_pool_recycle_in_ring syzbot inform\u00f3 un uaf en page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free en lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8880286045a0 por la tarea syz.0.284/6943 CPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 No contaminado 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 Rastreo de llamadas:   __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline] _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline] page_pool_recycle_in_ring net/core/page_pool.c:707 [inline] page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826 page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline] page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline] napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036 skb_pp_recycle net/core/skbuff.c:1047 [inline] skb_free_head net/core/skbuff.c:1094 [inline] skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1263 [inline] __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline] root cause is: page_pool_recycle_in_ring ptr_ring_produce spin_lock(\u0026amp;r-\u0026gt;producer_lock); WRITE_ONCE(r-\u0026gt;queue[r-\u0026gt;producer++], ptr) //recycle last page to pool page_pool_release page_pool_scrub page_pool_empty_ring ptr_ring_consume page_pool_return_page //release all page __page_pool_destroy free_percpu(pool-\u0026gt;recycle_stats); free(pool) //free spin_unlock(\u0026amp;r-\u0026gt;producer_lock); //pool-\u0026gt;ring uaf read recycle_stat_inc(pool, ring); page_pool  puede estar libre mientras el grupo de p\u00e1ginas recicle la \u00faltima p\u00e1gina del anillo. Se ha a\u00f1adido una barrera de bloqueo del productor a page_pool_release para evitar que el grupo de p\u00e1ginas est\u00e9 libre antes de que se hayan reciclado todas las p\u00e1ginas. recycle_stat_inc() est\u00e1 vac\u00edo cuando CONFIG_PAGE_POOL_STATS no est\u00e1 habilitado, lo que activar\u00e1 la advertencia de compilaci\u00f3n Wempty-body. Se ha a\u00f1adido una definici\u00f3n para la macro de estad\u00edsticas del grupo para corregir la advertencia."
    }
  ],
  "id": "CVE-2025-38129",
  "lastModified": "2026-07-30T06:22:53.267",
  "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-38129",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T20:41:54.789942Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-07-03T09:15:27.170",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1a8c0b61d4cb55c5440583ec9e7f86a730369e32"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/271683bb2cf32e5126c592b5d5e6a756fa374fd9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4914c0a166540e534a0c1d43affd329d95fb56fd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4ab8c0f8905c9c4d05e7f437e65a9a365573ff02"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c2c906142293931e33ef4be79ebc36c25c4e21dd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e869a85acc2e60dc554579b910826a4919d8cd98"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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