{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.1.170-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.85-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.19.11-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  net: macb: Use dev_consume_skb_any() to free TX SKBs  The napi_consume_skb() function is not intended to be called in an IRQ disabled context. However, after commit 6bc8a5098bf4 (\"net: macb: Fix tx_ptr_lock locking\"), the freeing of TX SKBs is performed with IRQs disabled. To resolve the following call trace, use dev_consume_skb_any() for freeing TX SKBs:    WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0x174/0x188, CPU#0: ksoftirqd/0/15    Modules linked in:    CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 7.0.0-rc4-next-20260319-yocto-standard-dirty #37 PREEMPT    Hardware name: ZynqMP ZCU102 Rev1.1 (DT)    pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)    pc : __local_bh_enable_ip+0x174/0x188    lr : local_bh_enable+0x24/0x38    sp : ffff800082b3bb10    x29: ffff800082b3bb10 x28: ffff0008031f3c00 x27: 000000000011ede0    x26: ffff000800a7ff00 x25: ffff800083937ce8 x24: 0000000000017a80    x23: ffff000803243a78 x22: 0000000000000040 x21: 0000000000000000    x20: ffff000800394c80 x19: 0000000000000200 x18: 0000000000000001    x17: 0000000000000001 x16: ffff000803240000 x15: 0000000000000000    x14: ffffffffffffffff x13: 0000000000000028 x12: ffff000800395650    x11: ffff8000821d1528 x10: ffff800081c2bc08 x9 : ffff800081c1e258    x8 : 0000000100000301 x7 : ffff8000810426ec x6 : 0000000000000000    x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000    x2 : 0000000000000008 x1 : 0000000000000200 x0 : ffff8000810428dc    Call trace:     __local_bh_enable_ip+0x174/0x188 (P)     local_bh_enable+0x24/0x38     skb_attempt_defer_free+0x190/0x1d8     napi_consume_skb+0x58/0x108     macb_tx_poll+0x1a4/0x558     __napi_poll+0x50/0x198     net_rx_action+0x1f4/0x3d8     handle_softirqs+0x16c/0x560     run_ksoftirqd+0x44/0x80     smpboot_thread_fn+0x1d8/0x338     kthread+0x120/0x150     ret_from_fork+0x10/0x20    irq event stamp: 29751    hardirqs last  enabled at (29750): [\u003cffff8000813be184\u003e] _raw_spin_unlock_irqrestore+0x44/0x88    hardirqs last disabled at (29751): [\u003cffff8000813bdf60\u003e] _raw_spin_lock_irqsave+0x38/0x98    softirqs last  enabled at (29150): [\u003cffff8000800f1aec\u003e] handle_softirqs+0x504/0x560    softirqs last disabled at (29153): [\u003cffff8000800f2fec\u003e] run_ksoftirqd+0x44/0x80",
  "id": "DEBIAN-CVE-2026-31563",
  "modified": "2026-09-14T16:47:43.944095059Z",
  "published": "2026-04-24T15:16:30.720Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-31563"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-31563"
  ]
}