{ "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": "2026-08-05T12:12:03.079Z" }, "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": "3f7823219407f2f18044c2b72366a48810c5c821", "status": "affected", "versionType": "git" }, { "version": "bba2556efad66e7eaa56fece13f7708caa1187f8", "lessThan": "4d0ceb7677e1c4616afb96abb4518f70b65abb0d", "status": "affected", "versionType": "git" }, { "version": "bba2556efad66e7eaa56fece13f7708caa1187f8", "lessThan": "45ee0462b88396a0bd1df1991f801c89994ea72b", "status": "affected", "versionType": "git" }, { "version": "bba2556efad66e7eaa56fece13f7708caa1187f8", "lessThan": "5e5988736a95b1de7f91b10ac2575454b70e4897", "status": "affected", "versionType": "git" }, { "version": "bba2556efad66e7eaa56fece13f7708caa1187f8", "lessThan": "a48e232210009be50591fdea8ba7c07b0f566a13", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/stmicro/stmmac/stmmac_main.c" ], "versions": [ { "version": "5.13", "status": "affected" }, { "version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.4", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.160" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.120" }, { "vulnerable": 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": [ { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-07-14T12:44:35.074Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html" } ] } ] } }