{"id":"CVE-2025-71133","title":"RDMA/irdma: avoid invalid read in irdma_net_event","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: avoid invalid read in irdma_net_event\n\nirdma_net_event() should not dereference anything from \"neigh\" (alias\n\"ptr\") until it has checked that the event is N…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < db93ae6fa66f1c61ae63400191195e3ee58021da","Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < 305c02e541befe4a44ffde30ed374970f41aeb6c","Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < fc23d05f0b3fb4d80657e7afebae2cae686b31c8","Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < bf197c7c79ef6458d1ee84dd7db251b51784885f","Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < d9b9affd103f51b42322da4ed5ac025b560bc354","Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < 6f05611728e9d0ab024832a4f1abb74a5f5d0bb0","Linux 5.14"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-10T20:40:56.336188Z"},"published":"2026-01-14","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:15:15.941Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71133","references":[{"url":"https://git.kernel.org/stable/c/db93ae6fa66f1c61ae63400191195e3ee58021da"},{"url":"https://git.kernel.org/stable/c/305c02e541befe4a44ffde30ed374970f41aeb6c"},{"url":"https://git.kernel.org/stable/c/fc23d05f0b3fb4d80657e7afebae2cae686b31c8"},{"url":"https://git.kernel.org/stable/c/bf197c7c79ef6458d1ee84dd7db251b51784885f"},{"url":"https://git.kernel.org/stable/c/d9b9affd103f51b42322da4ed5ac025b560bc354"},{"url":"https://git.kernel.org/stable/c/6f05611728e9d0ab024832a4f1abb74a5f5d0bb0"}],"tags":["cve.org"],"epss":0.00183,"epssPercentile":0.07425,"ingestedAt":"2026-10-19T18:35:50.130Z","slug":"CVE-2025-71133","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: avoid invalid read in irdma_net_event\n\nirdma_net_event() should not dereference anything from \"neigh\" (alias\n\"ptr\") until it has checked that the event is NETEVENT_NEIGH_UPDATE.\nOther events come with different structures pointed to by \"ptr\" and they\nmay be smaller than struct neighbour.\n\nMove the read of neigh->dev under the NETEVENT_NEIGH_UPDATE case.\n\nThe bug is mostly harmless, but it triggers KASAN on debug kernels:\n\n BUG: KASAN: stack-out-of-bounds in irdma_net_event+0x32e/0x3b0 [irdma]\n Read of size 8 at addr ffffc900075e07f0 by task kworker/27:2/542554\n\n CPU: 27 PID: 542554 Comm: kworker/27:2 Kdump: loaded Not tainted 5.14.0-630.el9.x86_64+debug #1\n Hardware name: [...]\n Workqueue: events rt6_probe_deferred\n Call Trace:\n  <IRQ>\n  dump_stack_lvl+0x60/0xb0\n  print_address_description.constprop.0+0x2c/0x3f0\n  print_report+0xb4/0x270\n  kasan_report+0x92/0xc0\n  irdma_net_event+0x32e/0x3b0 [irdma]\n  notifier_call_chain+0x9e/0x180\n  atomic_notifier_call_chain+0x5c/0x110\n  rt6_do_redirect+0xb91/0x1080\n  tcp_v6_err+0xe9b/0x13e0\n  icmpv6_notify+0x2b2/0x630\n  ndisc_redirect_rcv+0x328/0x530\n  icmpv6_rcv+0xc16/0x1360\n  ip6_protocol_deliver_rcu+0xb84/0x12e0\n  ip6_input_finish+0x117/0x240\n  ip6_input+0xc4/0x370\n  ipv6_rcv+0x420/0x7d0\n  __netif_receive_skb_one_core+0x118/0x1b0\n  process_backlog+0xd1/0x5d0\n  __napi_poll.constprop.0+0xa3/0x440\n  net_rx_action+0x78a/0xba0\n  handle_softirqs+0x2d4/0x9c0\n  do_softirq+0xad/0xe0\n  </IRQ>\n\n## Affected\n\n- `Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < db93ae6fa66f1c61ae63400191195e3ee58021da`\n- `Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < 305c02e541befe4a44ffde30ed374970f41aeb6c`\n- `Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < fc23d05f0b3fb4d80657e7afebae2cae686b31c8`\n- `Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < bf197c7c79ef6458d1ee84dd7db251b51784885f`\n- `Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < d9b9affd103f51b42322da4ed5ac025b560bc354`\n- `Linux >= 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 < 6f05611728e9d0ab024832a4f1abb74a5f5d0bb0`\n- `Linux 5.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}