{
  "cveId": "CVE-2026-53008",
  "url": "https://patchblox.com/security/cve/CVE-2026-53008",
  "summary": "CVE-2026-53008 is fixed in linux on 1 platform by DEBIAN-CVE-2026-53008 (version 7.0.10-1), released June 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ice: fix race condition in TX timestamp ring cle...",
  "description": "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",
  "published": "2026-06-24T17:17:12Z",
  "severity": "medium",
  "cvss": 4.7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00109,
  "epssPercentile": 0.0125,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.0.10-1",
      "fix": "DEBIAN-CVE-2026-53008",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-53008",
      "released": "2026-06-25T17:23:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}