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RDMA/irdma: avoid invalid read in irdma_net_event

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: avoid invalid read in irdma_net_event irdma_net_event() should not dereference anything from "neigh" (alias "ptr") until it has checked that the event is NETEVENT_NEIGH_UPDATE. Other events come with different structures pointed to by "ptr" and they may be smaller than struct neighbour. Move the read of neigh->dev under the NETEVENT_NEIGH_UPDATE case. The bug is mostly harmless, but it triggers KASAN on debug kernels: BUG: KASAN: stack-out-of-bounds in irdma_net_event+0x32e/0x3b0 [irdma] Read of size 8 at addr ffffc900075e07f0 by task kworker/27:2/542554 CPU: 27 PID: 542554 Comm: kworker/27:2 Kdump: loaded Not tainted 5.14.0-630.el9.x86_64+debug #1 Hardware name: [...] Workqueue: events rt6_probe_deferred Call Trace: dump_stack_lvl+0x60/0xb0 print_address_description.constprop.0+0x2c/0x3f0 print_report+0xb4/0x270 kasan_report+0x92/0xc0 irdma_net_event+0x32e/0x3b0 [irdma] notifier_call_chain+0x9e/0x180 atomic_notifier_call_chain+0x5c/0x110 rt6_do_redirect+0xb91/0x1080 tcp_v6_err+0xe9b/0x13e0 icmpv6_notify+0x2b2/0x630 ndisc_redirect_rcv+0x328/0x530 icmpv6_rcv+0xc16/0x1360 ip6_protocol_deliver_rcu+0xb84/0x12e0 ip6_input_finish+0x117/0x240 ip6_input+0xc4/0x370 ipv6_rcv+0x420/0x7d0 __netif_receive_skb_one_core+0x118/0x1b0 process_backlog+0xd1/0x5d0 __napi_poll.constprop.0+0xa3/0x440 net_rx_action+0x78a/0xba0 handle_softirqs+0x2d4/0x9c0 do_softirq+0xad/0xe0

Announced Source revision 1
Original source ↗

CVE-2025-71133

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-71133

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
        "lessThan": "db93ae6fa66f1c61ae63400191195e3ee58021da",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
        "lessThan": "305c02e541befe4a44ffde30ed374970f41aeb6c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
        "lessThan": "fc23d05f0b3fb4d80657e7afebae2cae686b31c8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
        "lessThan": "bf197c7c79ef6458d1ee84dd7db251b51784885f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
        "lessThan": "d9b9affd103f51b42322da4ed5ac025b560bc354",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
        "lessThan": "6f05611728e9d0ab024832a4f1abb74a5f5d0bb0",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/infiniband/hw/irdma/utils.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.14"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.14",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.15.198",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.160",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.120",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.64",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.4",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/infiniband/hw/irdma/utils.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-71133

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#39169 · Revision 1
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Publisher date
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