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CVE-2025-71095 (GCVE-0-2025-71095)

Vulnerability from cvelistv5 – Published: 2026-01-13 15:34 – Updated: 2026-09-08 08:43
VLAI
Title
net: stmmac: fix the crash issue for zero copy XDP_TX action
Summary
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix the crash issue for zero copy XDP_TX action There is a crash issue when running zero copy XDP_TX action, the crash log is shown below. [ 216.122464] Unable to handle kernel paging request at virtual address fffeffff80000000 [ 216.187524] Internal error: Oops: 0000000096000144 [#1] SMP [ 216.301694] Call trace: [ 216.304130] dcache_clean_poc+0x20/0x38 (P) [ 216.308308] __dma_sync_single_for_device+0x1bc/0x1e0 [ 216.313351] stmmac_xdp_xmit_xdpf+0x354/0x400 [ 216.317701] __stmmac_xdp_run_prog+0x164/0x368 [ 216.322139] stmmac_napi_poll_rxtx+0xba8/0xf00 [ 216.326576] __napi_poll+0x40/0x218 [ 216.408054] Kernel panic - not syncing: Oops: Fatal exception in interrupt For XDP_TX action, the xdp_buff is converted to xdp_frame by xdp_convert_buff_to_frame(). The memory type of the resulting xdp_frame depends on the memory type of the xdp_buff. For page pool based xdp_buff it produces xdp_frame with memory type MEM_TYPE_PAGE_POOL. For zero copy XSK pool based xdp_buff it produces xdp_frame with memory type MEM_TYPE_PAGE_ORDER0. However, stmmac_xdp_xmit_back() does not check the memory type and always uses the page pool type, this leads to invalid mappings and causes the crash. Therefore, check the xdp_buff memory type in stmmac_xdp_xmit_back() to fix this issue.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: bba2556efad66e7eaa56fece13f7708caa1187f8 , < 3f7823219407f2f18044c2b72366a48810c5c821 (git)
Affected: bba2556efad66e7eaa56fece13f7708caa1187f8 , < 4d0ceb7677e1c4616afb96abb4518f70b65abb0d (git)
Affected: bba2556efad66e7eaa56fece13f7708caa1187f8 , < 45ee0462b88396a0bd1df1991f801c89994ea72b (git)
Affected: bba2556efad66e7eaa56fece13f7708caa1187f8 , < 5e5988736a95b1de7f91b10ac2575454b70e4897 (git)
Affected: bba2556efad66e7eaa56fece13f7708caa1187f8 , < a48e232210009be50591fdea8ba7c07b0f566a13 (git)
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Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 6.1.160 , ≤ 6.1.* (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.4 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-71095\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-01-13T16:16:09.347\",\"lastModified\":\"2026-07-30T06:24:50.947\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: stmmac: fix the crash issue for zero copy XDP_TX action\\n\\nThere is a crash issue when running zero copy XDP_TX action, the crash\\nlog is shown below.\\n\\n[  216.122464] Unable to handle kernel paging request at virtual address fffeffff80000000\\n[  216.187524] Internal error: Oops: 0000000096000144 [#1]  SMP\\n[  216.301694] Call trace:\\n[  216.304130]  dcache_clean_poc+0x20/0x38 (P)\\n[  216.308308]  __dma_sync_single_for_device+0x1bc/0x1e0\\n[  216.313351]  stmmac_xdp_xmit_xdpf+0x354/0x400\\n[  216.317701]  __stmmac_xdp_run_prog+0x164/0x368\\n[  216.322139]  stmmac_napi_poll_rxtx+0xba8/0xf00\\n[  216.326576]  __napi_poll+0x40/0x218\\n[  216.408054] Kernel panic - not syncing: Oops: Fatal exception in interrupt\\n\\nFor XDP_TX action, the xdp_buff is converted to xdp_frame by\\nxdp_convert_buff_to_frame(). The memory type of the resulting xdp_frame\\ndepends on the memory type of the xdp_buff. For page pool based xdp_buff\\nit produces xdp_frame with memory type MEM_TYPE_PAGE_POOL. For zero copy\\nXSK pool based xdp_buff it produces xdp_frame with memory type\\nMEM_TYPE_PAGE_ORDER0. However, stmmac_xdp_xmit_back() does not check the\\nmemory type and always uses the page pool type, this leads to invalid\\nmappings and causes the crash. Therefore, check the xdp_buff memory type\\nin stmmac_xdp_xmit_back() to fix this issue.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\nnet: stmmac: solucionar el problema de bloqueo para la acci\u00f3n XDP_TX de copia cero\\n\\nExiste un problema de bloqueo al ejecutar la acci\u00f3n XDP_TX de copia cero; el registro de bloqueo se muestra a continuaci\u00f3n.\\n\\n[ 216.122464] No se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual fffeffff80000000\\n[ 216.187524] Error interno: Oops: 0000000096000144 [#1] SMP\\n[ 216.301694] Traza de llamadas:\\n[ 216.304130] dcache_clean_poc+0x20/0x38 (P)\\n[ 216.308308] __dma_sync_single_for_device+0x1bc/0x1e0\\n[ 216.313351] stmmac_xdp_xmit_xdpf+0x354/0x400\\n[ 216.317701] __stmmac_xdp_run_prog+0x164/0x368\\n[ 216.322139] stmmac_napi_poll_rxtx+0xba8/0xf00\\n[ 216.326576] __napi_poll+0x40/0x218\\n[ 216.408054] P\u00e1nico del kernel - no sincronizando: Oops: Excepci\u00f3n fatal en interrupci\u00f3n\\n\\nPara la acci\u00f3n XDP_TX, el xdp_buff se convierte a xdp_frame mediante xdp_convert_buff_to_frame(). El tipo de memoria del xdp_frame resultante depende del tipo de memoria del xdp_buff. Para xdp_buff basado en pool de p\u00e1ginas, produce xdp_frame con tipo de memoria MEM_TYPE_PAGE_POOL. Para xdp_buff basado en pool XSK de copia cero, produce xdp_frame con tipo de memoria MEM_TYPE_PAGE_ORDER0. Sin embargo, stmmac_xdp_xmit_back() no verifica el tipo de memoria y siempre usa el tipo de pool de p\u00e1ginas, lo que lleva a mapeos inv\u00e1lidos y causa el bloqueo. Por lo tanto, verifique el tipo de memoria del xdp_buff en stmmac_xdp_xmit_back() para solucionar este 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-21T11:47:25+00:00",
      "cve": "CVE-2025-71095",
      "id": "CVE-2025-71095",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel: `stmmac` driver denial of service via incorrect XDP memory handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-71095.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-09T00:28:11Z",
      "cve": "CVE-2025-71095",
      "id": "CVE-2025-71095",
      "initial_release_date": "2026-01-14T00:25:27Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "503",
      "product_status:known_not_affected": "208",
      "product_status:recommended": "289",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-71095",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-71095.json",
      "version": "35"
    }
  }
}



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Taxonomy of the tags.





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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.