{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-52559",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-52559"
  ],
  "published": "2024-03-02T22:00:33Z",
  "summary": "iommu/vt-d: Avoid memory allocation in iommu_suspend()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Avoid memory allocation in iommu_suspend()\n\nThe iommu_suspend() syscore suspend callback is invoked with IRQ disabled.\nAllocating memory with the GFP_KERNEL flag may re-enable IRQs during\nthe suspend callback, which can cause intermittent suspend/hibernation\nproblems with the following kernel traces:\n\nCalling iommu_suspend+0x0/0x1d0\n------------[ cut here ]------------\nWARNING: CPU: 0 PID: 15 at kernel/time/timekeeping.c:868 ktime_get+0x9b/0xb0\n...\nCPU: 0 PID: 15 Comm: rcu_preempt Tainted: G     U      E      6.3-intel #r1\nRIP: 0010:ktime_get+0x9b/0xb0\n...\nCall Trace:\n <IRQ>\n tick_sched_timer+0x22/0x90\n ? __pfx_tick_sched_timer+0x10/0x10\n __hrtimer_run_queues+0x111/0x2b0\n hrtimer_interrupt+0xfa/0x230\n __sysvec_apic_timer_interrupt+0x63/0x140\n sysvec_apic_timer_interrupt+0x7b/0xa0\n </IRQ>\n <TASK>\n asm_sysvec_apic_timer_interrupt+0x1f/0x30\n...\n------------[ cut here ]------------\nInterrupts enabled after iommu_suspend+0x0/0x1d0\nWARNING: CPU: 0 PID: 27420 at drivers/base/syscore.c:68 syscore_suspend+0x147/0x270\nCPU: 0 PID: 27420 Comm: rtcwake Tainted: G     U  W   E      6.3-intel #r1\nRIP: 0010:syscore_suspend+0x147/0x270\n...\nCall Trace:\n <TASK>\n hibernation_snapshot+0x25b/0x670\n hibernate+0xcd/0x390\n state_store+0xcf/0xe0\n kobj_attr_store+0x13/0x30\n sysfs_kf_write+0x3f/0x50\n kernfs_fop_write_iter+0x128/0x200\n vfs_write+0x1fd/0x3c0\n ksys_write+0x6f/0xf0\n __x64_sys_write+0x1d/0x30\n do_syscall_64+0x3b/0x90\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nGiven that only 4 words memory is needed, avoid the memory allocation in\niommu_suspend().",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.57",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-52559"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/29298c85a81abdc512e87537515ed4b1a9601d0e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c12ef025add77ca3a0902e8719d552b6d47b4282"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/496c591f0b389eb782f36d9d4c2564b9a865eed0"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/59df44bfb0ca4c3ee1f1c3c5d0ee8e314844799e"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}