In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix WARNING in res_to_rt syzbot reported a WARN_ON(!res->dev) in res_to_rt() triggered via addr_handler() during asynchronous address resolution: " WARNING: drivers/infiniband/core/restrack.c:138 at res_to_rt+0x1c4/0x230 CPU#1: kworker/u8:4/59 Modules linked in: CPU: 1 UID: 0 PID: 59 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Compute Engine, BIOS Google 07/24/2026 Workqueue: ib_addr process_one_req RIP: 0010:res_to_rt+0x1c4/0x230 drivers/infiniband/core/restrack.c:138 RSP: 0018:ffffc9000201f850 EFLAGS: 00010293 RAX: ffffffff88d00ce5 RBX: ffff88807f0fd4f8 RCX: ffff88801e6e0000 RDX: 0000000000000000 RSI: ffffffff8fd996f0 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffff88801e6e0000 R09: 000000000000000a R10: 0000000000000009 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff1100fe1fa9f R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff888125012000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00001d559c3d2000 CR3: 0000000077c4c000 CR4: 00000000003526f0 Call Trace: <TASK> rdma_restrack_add+0x5a/0x8a0 drivers/infiniband/core/restrack.c:236 addr_handler+0x41a/0x5a0 drivers/infiniband/core/cma.c:3534 process_one_req+0x2eb/0x540 drivers/infiniband/core/addr.c:624 process_one_work kernel/workqueue.c:3375 [inline] process_scheduled_works+0xc4e/0x1630 kernel/workqueue.c:3458 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3539 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> " In addr_handler(), cma_acquire_dev_by_src_ip() is called to populate id_priv->cma_dev and bind the associated ib_device to id_priv->id.device. If cma_acquire_dev_by_src_ip() returns an error (non-zero status), the ID remains unassociated with any RDMA device. Previously, rdma_restrack_add(&id_priv->res) was invoked unconditionally even when cma_acquire_dev_by_src_ip() failed, passing a resource with a NULL dev pointer and triggering the WARN_ON assertion in res_to_rt(). Fix this by only adding the resource to restrack when acquiring the device succeeds.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix WARNING in res_to_rt
    syzbot reported a WARN_ON(!res->dev) in res_to_rt() triggered via addr_handler() during asynchronous
    address resolution: " WARNING: drivers/infiniband/core/restrack.c:138 at res_to_rt+0x1c4/0x230 CPU#1:
    kworker/u8:4/59 Modules linked in: CPU: 1 UID: 0 PID: 59 Comm: kworker/u8:4 Not tainted syzkaller #0
    PREEMPT(full) Hardware name: Google Compute Engine, BIOS Google 07/24/2026 Workqueue: ib_addr
    process_one_req RIP: 0010:res_to_rt+0x1c4/0x230 drivers/infiniband/core/restrack.c:138 RSP:
    0018:ffffc9000201f850 EFLAGS: 00010293 RAX: ffffffff88d00ce5 RBX: ffff88807f0fd4f8 RCX: ffff88801e6e0000
    RDX: 0000000000000000 RSI: ffffffff8fd996f0 RDI: 0000000000000003 RBP: 0000000000000000 R08:
    ffff88801e6e0000 R09: 000000000000000a R10: 0000000000000009 R11: 0000000000000000 R12: dffffc0000000000
    R13: 1ffff1100fe1fa9f R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000)
    GS:ffff888125012000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2:
    00001d559c3d2000 CR3: 0000000077c4c000 CR4: 00000000003526f0 Call Trace: <TASK>
    rdma_restrack_add+0x5a/0x8a0 drivers/infiniband/core/restrack.c:236 addr_handler+0x41a/0x5a0
    drivers/infiniband/core/cma.c:3534 process_one_req+0x2eb/0x540 drivers/infiniband/core/addr.c:624
    process_one_work kernel/workqueue.c:3375 [inline] process_scheduled_works+0xc4e/0x1630
    kernel/workqueue.c:3458 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3539 kthread+0x388/0x470
    kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30
    arch/x86/entry/entry_64.S:245 </TASK> " In addr_handler(), cma_acquire_dev_by_src_ip() is called to
    populate id_priv->cma_dev and bind the associated ib_device to id_priv->id.device. If
    cma_acquire_dev_by_src_ip() returns an error (non-zero status), the ID remains unassociated with any RDMA
    device. Previously, rdma_restrack_add(&id_priv->res) was invoked unconditionally even when
    cma_acquire_dev_by_src_ip() failed, passing a resource with a NULL dev pointer and triggering the WARN_ON
    assertion in res_to_rt(). Fix this by only adding the resource to restrack when acquiring the device
    succeeds. (CVE-2026-90218)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - RDMA/cma: Fix WARNING in res_to_rt syzbot reported a WARN_ON(!res->dev) in res_to_rt() triggered via     addr_handler() during asynchronous address resolution:  WARNING: drivers/infiniband/core/restrack.c:138     at res_to_rt+0x1c4/0x230 CPU#1: kworker/u8:4/59 Modules linked in: CPU: 1 UID: 0 PID: 59 Comm:
    kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Compute Engine, BIOS Google     07/24/2026 Workqueue: ib_addr process_one_req RIP: 0010:res_to_rt+0x1c4/0x230     drivers/infiniband/core/restrack.c:138 RSP: 0018:ffffc9000201f850 EFLAGS: 00010293 RAX: ffffffff88d00ce5     RBX: ffff88807f0fd4f8 RCX: ffff88801e6e0000 RDX: 0000000000000000 RSI: ffffffff8fd996f0 RDI:
    0000000000000003 RBP: 0000000000000000 R08: ffff88801e6e0000 R09: 000000000000000a R10: 0000000000000009     R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff1100fe1fa9f R14: 0000000000000000 R15:
    0000000000000003 FS: 0000000000000000(0000) GS:ffff888125012000(0000) knlGS:0000000000000000 CS: 0010 DS:
    0000 ES: 0000 CR0: 0000000080050033 CR2: 00001d559c3d2000 CR3: 0000000077c4c000 CR4: 00000000003526f0 Call     Trace: <TASK> rdma_restrack_add+0x5a/0x8a0 drivers/infiniband/core/restrack.c:236 addr_handler+0x41a/0x5a0     drivers/infiniband/core/cma.c:3534 process_one_req+0x2eb/0x540 drivers/infiniband/core/addr.c:624     process_one_work kernel/workqueue.c:3375 [inline] process_scheduled_works+0xc4e/0x1630     kernel/workqueue.c:3458 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3539 kthread+0x388/0x470     kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30     arch/x86/entry/entry_64.S:245 </TASK>  In addr_handler(), cma_acquire_dev_by_src_ip() is called to     populate id_priv->cma_dev and bind the associated ib_device to id_priv->id.device. If     cma_acquire_dev_by_src_ip() returns an error (non-zero status), the ID remains unassociated with any RDMA     device. Previously, rdma_restrack_add(&id_priv->res) was invoked unconditionally even when     cma_acquire_dev_by_src_ip() failed, passing a resource with a NULL dev pointer and triggering the WARN_ON     assertion in res_to_rt(). Fix this by only adding the resource to restrack when acquiring the device     succeeds. (CVE-2026-90218)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
364137	Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500374)	Nessus	Oracle Linux Local Security Checks	Local	high
362907	Debian dla-4817 : ata-modules-6.12.107+deb12-armmp-di - security update	Nessus	Debian Local Security Checks	Local	high
469331	Google: sys-kernel/cchost-kernel-6_12, sys-kernel/csql-kernel-6_12, sys-kernel/csql-kernel-6_6, sys-kernel/lakitu-kernel-6_12, sys-kernel/lakitu-kernel-6_6, sys-kernel/lakitu-nc-kernel-6_12, sys-kernel/lakitu-nc-kernel-6_6, sys-kernel/lakitu-vgpu-kernel-6_6: security update to 19216.700.7	Tenable Cloud Security	Google COS Security Checks	Local	medium
469331	Google: sys-kernel/cchost-kernel-6_12, sys-kernel/csql-kernel-6_12, sys-kernel/csql-kernel-6_6, sys-kernel/lakitu-kernel-6_12, sys-kernel/lakitu-kernel-6_6, sys-kernel/lakitu-nc-kernel-6_12, sys-kernel/lakitu-nc-kernel-6_6, sys-kernel/lakitu-vgpu-kernel-6_6: security update to 19216.700.7	Tenable Self-Hosted Container Security	Google COS Security Checks	Local	medium
351155	Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update	Nessus	Debian Local Security Checks	Local	high
347852	Linux Distros Unpatched Vulnerability : CVE-2026-90218	Nessus	Misc.	Local	medium

Detections

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CVE-2026-90218

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Tenable Plugins

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medium