CVE-2025-71095 (GCVE-0-2025-71095)
Vulnerability from cvelistv5 – Published: 2026-01-13 15:34 – Updated: 2026-09-08 08:43
VLAI
EPSS
VEX
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)
Assigner
References
6 references
Impacted products
5 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) |
guessed | |
| 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 | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed |
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{
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"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."
}
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}
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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"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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