CVE-2025-71095

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71095", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:30:19.650Z", "datePublished": "2026-01-13T15:34:55.392Z", "dateUpdated": "2026-11-10T12:38:56.541Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:12:03.079Z"}, "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."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL"}, "scenarios": [{"lang": "en", "value": "AV:N - An unauthenticated network peer can supply a frame that reaches the stmmac zero-copy receive path and XDP_TX action on a configured interface.\nAC:L - Once an AF_XDP zero-copy queue and suitable XDP program are active, a qualifying packet deterministically triggers the invalid mapping; no race or uncontrollable condition is required.\nPR:N - The administrative privileges needed to configure AF_XDP and XDP are a deployment prerequisite, while the remote attacker triggering the receive path requires no account or capability.\nUI:N - No victim action is required after the vulnerable networking configuration is active.\nS:U - The fault and resulting impacts remain within the host kernel and its resources, without crossing a VM, IOMMU, or separate security authority.\nC:H - On coherent direct-DMA systems, the invalid page-pool address can reach the TX descriptor and cause the NIC to read and emit unrelated physical memory; repeated allocations make substantial disclosure defensible.\nI:N - The erroneous mapping is used for TX DMA, which reads host memory, and the duplicate XSK-buffer return is guarded against reinsertion; no credible arbitrary-write primitive was found.\nA:H - The demonstrated invalid DMA synchronization causes an interrupt-context oops and kernel panic, and a remote peer can repeatedly send qualifying packets."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"], "versions": [{"version": "bba2556efad66e7eaa56fece13f7708caa1187f8", "lessThan": 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true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3f7823219407f2f18044c2b72366a48810c5c821"}, {"url": "https://git.kernel.org/stable/c/4d0ceb7677e1c4616afb96abb4518f70b65abb0d"}, {"url": "https://git.kernel.org/stable/c/45ee0462b88396a0bd1df1991f801c89994ea72b"}, {"url": "https://git.kernel.org/stable/c/5e5988736a95b1de7f91b10ac2575454b70e4897"}, {"url": "https://git.kernel.org/stable/c/a48e232210009be50591fdea8ba7c07b0f566a13"}], "title": "net: stmmac: fix the crash issue for zero copy XDP_TX action", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": 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{}

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"matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*", "matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*", "matchCriteriaId": "EB5B7DFC-C36B-45D8-922C-877569FDDF43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 problema."}], "id": "CVE-2025-71095", "lastModified": "2026-11-10T13:18:05.090", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-01-13T16:16:09.347", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f7823219407f2f18044c2b72366a48810c5c821"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45ee0462b88396a0bd1df1991f801c89994ea72b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d0ceb7677e1c4616afb96abb4518f70b65abb0d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e5988736a95b1de7f91b10ac2575454b70e4897"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a48e232210009be50591fdea8ba7c07b0f566a13"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: stmmac: fix the crash issue for zero copy XDP_TX action", "id": "2429119", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429119"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2025-71095", "public_date": "2026-01-13T15:34:55Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71095\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71095\nhttps://git.kernel.org/stable/c/3f7823219407f2f18044c2b72366a48810c5c821\nhttps://git.kernel.org/stable/c/45ee0462b88396a0bd1df1991f801c89994ea72b\nhttps://git.kernel.org/stable/c/4d0ceb7677e1c4616afb96abb4518f70b65abb0d\nhttps://git.kernel.org/stable/c/5e5988736a95b1de7f91b10ac2575454b70e4897\nhttps://git.kernel.org/stable/c/a48e232210009be50591fdea8ba7c07b0f566a13"]}

{}