{"id":"CVE-2025-71095","state":"PUBLISHED","title":"net: stmmac: fix the crash issue for zero copy XDP_TX action","description":"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.","publishedAt":"2026-01-13T15:34:55.392Z","updatedAt":"2026-10-15T01:10:42.317Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","source":"Linux"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"3f7823219407f2f18044c2b72366a48810c5c821","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"4d0ceb7677e1c4616afb96abb4518f70b65abb0d","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"45ee0462b88396a0bd1df1991f801c89994ea72b","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"5e5988736a95b1de7f91b10ac2575454b70e4897","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"a48e232210009be50591fdea8ba7c07b0f566a13","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"6.1.160","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.4","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"]}],"references":["https://git.kernel.org/stable/c/3f7823219407f2f18044c2b72366a48810c5c821","https://git.kernel.org/stable/c/4d0ceb7677e1c4616afb96abb4518f70b65abb0d","https://git.kernel.org/stable/c/45ee0462b88396a0bd1df1991f801c89994ea72b","https://git.kernel.org/stable/c/5e5988736a95b1de7f91b10ac2575454b70e4897","https://git.kernel.org/stable/c/a48e232210009be50591fdea8ba7c07b0f566a13","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71095.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71095","state":"PUBLISHED","datePublished":"2026-01-13T15:34:55.392Z","dateUpdated":"2026-10-15T01:10:42.317Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.650Z"},"containers":{"cna":{"title":"net: stmmac: fix the crash issue for zero copy XDP_TX action","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"3f7823219407f2f18044c2b72366a48810c5c821","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"4d0ceb7677e1c4616afb96abb4518f70b65abb0d","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"45ee0462b88396a0bd1df1991f801c89994ea72b","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"5e5988736a95b1de7f91b10ac2575454b70e4897","versionType":"git"},{"version":"bba2556efad66e7eaa56fece13f7708caa1187f8","status":"affected","lessThan":"a48e232210009be50591fdea8ba7c07b0f566a13","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"6.1.160","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.4","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"]}],"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"}],"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."}]}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-05T12:12:03.079Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-15T01:10:42.317Z"},"x_adpType":"supplier"}]}}}