{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4346ba1604093305a287e08eb465a9c15ba05b80"
            },
            {
              "fixed": "62988204162fc382cfc7d9a185d40a751261e3a3"
            },
            {
              "fixed": "d655cca1c6e67eb081214d37eb231a869ead2f97"
            },
            {
              "fixed": "367c49d6e283c17b56a31e7a8d964a079244264c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.14.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72385.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/fprobe: Fix NULL pointer dereference in fprobe_fgraph_entry()\n\nfprobe_fgraph_entry() sizes a shadow-stack reservation in one walk of\nthe per-ip fprobe list and fills it in a second walk, both under\nrcu_read_lock() only. A fprobe registered on an already-live ip can\nbecome visible between the two walks, so the fill walk processes an\nexit_handler the sizing walk did not count and used runs past\nreserved_words. If the sizing walk counted nothing, fgraph_data is NULL\nand the first write_fprobe_header() faults:\n\n  Oops: general protection fault, probably for non-canonical address ...\n  KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\n  RIP: 0010:fprobe_fgraph_entry+0xa38/0xf10 kernel/trace/fprobe.c:167\n  Call Trace:\n   \u003cTASK\u003e\n   function_graph_enter_regs+0x44c/0xa10 kernel/trace/fgraph.c:677\n   ftrace_graph_func+0xc5/0x140 arch/x86/kernel/ftrace.c:671\n   __kernel_text_address+0x9/0x40 kernel/extable.c:78\n   arch_stack_walk+0x117/0x170 arch/x86/kernel/stacktrace.c:26\n   kmem_cache_free+0x188/0x580 mm/slub.c:6378\n   tcp_data_queue+0x18d/0x6550 net/ipv4/tcp_input.c:5590\n   [...]\n   \u003c/TASK\u003e\n\nThe list cannot be frozen across the two walks, so skip a node that does\nnot fit the reservation and count it as missed.",
  "id": "CVE-2026-72385",
  "modified": "2026-08-16T03:31:20.462286132Z",
  "published": "2026-08-15T05:56:16.050Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/367c49d6e283c17b56a31e7a8d964a079244264c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62988204162fc382cfc7d9a185d40a751261e3a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d655cca1c6e67eb081214d37eb231a869ead2f97"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72385.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72385"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "tracing/fprobe: Fix NULL pointer dereference in fprobe_fgraph_entry()"
}