{
  "threat_severity" : "Moderate",
  "public_date" : "2025-05-02T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: bnxt_en: Avoid order-5 memory allocation for TPA data",
    "id" : "2363705",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2363705"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nbnxt_en: Avoid order-5 memory allocation for TPA data\nThe driver needs to keep track of all the possible concurrent TPA (GRO/LRO)\ncompletions on the aggregation ring.  On P5 chips, the maximum number\nof concurrent TPA is 256 and the amount of memory we allocate is order-5\non systems using 4K pages.  Memory allocation failure has been reported:\nNetworkManager: page allocation failure: order:5, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1\nCPU: 15 PID: 2995 Comm: NetworkManager Kdump: loaded Not tainted 5.10.156 #1\nHardware name: Dell Inc. PowerEdge R660/0M1CC5, BIOS 0.2.25 08/12/2022\nCall Trace:\ndump_stack+0x57/0x6e\nwarn_alloc.cold.120+0x7b/0xdd\n? _cond_resched+0x15/0x30\n? __alloc_pages_direct_compact+0x15f/0x170\n__alloc_pages_slowpath.constprop.108+0xc58/0xc70\n__alloc_pages_nodemask+0x2d0/0x300\nkmalloc_order+0x24/0xe0\nkmalloc_order_trace+0x19/0x80\nbnxt_alloc_mem+0x1150/0x15c0 [bnxt_en]\n? bnxt_get_func_stat_ctxs+0x13/0x60 [bnxt_en]\n__bnxt_open_nic+0x12e/0x780 [bnxt_en]\nbnxt_open+0x10b/0x240 [bnxt_en]\n__dev_open+0xe9/0x180\n__dev_change_flags+0x1af/0x220\ndev_change_flags+0x21/0x60\ndo_setlink+0x35c/0x1100\nInstead of allocating this big chunk of memory and dividing it up for the\nconcurrent TPA instances, allocate each small chunk separately for each\nTPA instance.  This will reduce it to order-0 allocations." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-05-22T00:00:00Z",
    "advisory" : "RHSA-2024:3138",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-04-30T00:00:00Z",
    "advisory" : "RHSA-2024:2394",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-427.13.1.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-04-30T00:00:00Z",
    "advisory" : "RHSA-2024:2394",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-427.13.1.el9_4"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-53134\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53134\nhttps://lore.kernel.org/linux-cve-announce/2025050235-CVE-2023-53134-68c9@gregkh/T" ],
  "name" : "CVE-2023-53134",
  "csaw" : false
}