{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.10-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  ice: fix race condition in TX timestamp ring cleanup  Fix a race condition between ice_free_tx_tstamp_ring() and ice_tx_map() that can cause a NULL pointer dereference.  ice_free_tx_tstamp_ring currently clears the ICE_TX_FLAGS_TXTIME flag after NULLing the tstamp_ring. This could allow a concurrent ice_tx_map call on another CPU to dereference the tstamp_ring, which could lead to a NULL pointer dereference.    CPU A:ice_free_tx_tstamp_ring() | CPU B:ice_tx_map()   --------------------------------|---------------------------------   tx_ring-\u003etstamp_ring = NULL     |                                   | ice_is_txtime_cfg() -\u003e true                                   | tstamp_ring = tx_ring-\u003etstamp_ring                                   | tstamp_ring-\u003ecount  // NULL deref!   flags \u0026= ~ICE_TX_FLAGS_TXTIME   |  Fix by: 1. Reordering ice_free_tx_tstamp_ring() to clear the flag before    NULLing the pointer, with smp_wmb() to ensure proper ordering. 2. Adding smp_rmb() in ice_tx_map() after the flag check to order the    flag read before the pointer read, using READ_ONCE() for the    pointer, and adding a NULL check as a safety net. 3. Converting tx_ring-\u003eflags from u8 to DECLARE_BITMAP() and using    atomic bitops (set_bit(), clear_bit(), test_bit()) for all flag    operations throughout the driver:    - ICE_TX_RING_FLAGS_XDP    - ICE_TX_RING_FLAGS_VLAN_L2TAG1    - ICE_TX_RING_FLAGS_VLAN_L2TAG2    - ICE_TX_RING_FLAGS_TXTIME",
  "id": "DEBIAN-CVE-2026-53008",
  "modified": "2026-09-14T16:47:43.321862342Z",
  "published": "2026-06-24T17:17:12.023Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-53008"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-53008"
  ]
}