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CVE-2023-54236

Estado: AplazadaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

net/net_failover: fix txq exceeding warning

The failover txq is inited as 16 queues. when a packet is transmitted from the failover device firstly, the failover device will select the queue which is returned from the primary device if the primary device is UP and running. If the primary device txq is bigger than the default 16, it can lead to the following warning: eth0 selects TX queue 18, but real number of TX queues is 16

Fix that by reducing txq number as the non-existent primary-dev does.

Detalles técnicos trazas, registros y código del informe original
The warning backtrace is:
[   32.146376] CPU: 18 PID: 9134 Comm: chronyd Tainted: G            E      6.2.8-1.el7.centos.x86_64 #1
[   32.147175] Hardware name: Red Hat KVM, BIOS 1.10.2-3.el7_4.1 04/01/2014
[   32.147730] Call Trace:
[   32.147971]  <TASK>
[   32.148183]  dump_stack_lvl+0x48/0x70
[   32.148514]  dump_stack+0x10/0x20
[   32.148820]  netdev_core_pick_tx+0xb1/0xe0
[   32.149180]  __dev_queue_xmit+0x529/0xcf0
[   32.149533]  ? __check_object_size.part.0+0x21c/0x2c0
[   32.149967]  ip_finish_output2+0x278/0x560
[   32.150327]  __ip_finish_output+0x1fe/0x2f0
[   32.150690]  ip_finish_output+0x2a/0xd0
[   32.151032]  ip_output+0x7a/0x110
[   32.151337]  ? __pfx_ip_finish_output+0x10/0x10
[   32.151733]  ip_local_out+0x5e/0x70
[   32.152054]  ip_send_skb+0x19/0x50
[   32.152366]  udp_send_skb.isra.0+0x163/0x3a0
[   32.152736]  udp_sendmsg+0xba8/0xec0
[   32.153060]  ? __folio_memcg_unlock+0x25/0x60
[   32.153445]  ? __pfx_ip_generic_getfrag+0x10/0x10
[   32.153854]  ? sock_has_perm+0x85/0xa0
[   32.154190]  inet_sendmsg+0x6d/0x80
[   32.154508]  ? inet_sendmsg+0x6d/0x80
[   32.154838]  sock_sendmsg+0x62/0x70
[   32.155152]  ____sys_sendmsg+0x134/0x290
[   32.155499]  ___sys_sendmsg+0x81/0xc0
[   32.155828]  ? _get_random_bytes.part.0+0x79/0x1a0
[   32.156240]  ? ip4_datagram_release_cb+0x5f/0x1e0
[   32.156649]  ? get_random_u16+0x69/0xf0
[   32.156989]  ? __fget_light+0xcf/0x110
[   32.157326]  __sys_sendmmsg+0xc4/0x210
[   32.157657]  ? __sys_connect+0xb7/0xe0
[   32.157995]  ? __audit_syscall_entry+0xce/0x140
[   32.158388]  ? syscall_trace_enter.isra.0+0x12c/0x1a0
[   32.158820]  __x64_sys_sendmmsg+0x24/0x30
[   32.159171]  do_syscall_64+0x38/0x90
[   32.159493]  entry_SYSCALL_64_after_hwframe+0x72/0xdc

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-54236",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "cfc80d9a11635404a40199a1c9471c96890f3f74",
              "lessThan": "105cc268328231d5c2bfcbd03f265cec444a3492",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cfc80d9a11635404a40199a1c9471c96890f3f74",
              "lessThan": "f032e125149d914e542548c17ebd613851031368",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cfc80d9a11635404a40199a1c9471c96890f3f74",
              "lessThan": "2d5cebf57296f0189a61482035ad420384eedead",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cfc80d9a11635404a40199a1c9471c96890f3f74",
              "lessThan": "c942f5cd63b7c2e73fe06744185a34b03267595b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cfc80d9a11635404a40199a1c9471c96890f3f74",
              "lessThan": "44d250c22209c680f61befbc2ac326da5452da01",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cfc80d9a11635404a40199a1c9471c96890f3f74",
              "lessThan": "e3cbdcb0fbb61045ef3ce0e072927cc41737f787",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/net_failover.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.18"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.18",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.4.240",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.177",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.106",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.23",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/net_failover.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-30T13:16:12.067",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/105cc268328231d5c2bfcbd03f265cec444a3492",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/2d5cebf57296f0189a61482035ad420384eedead",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/44d250c22209c680f61befbc2ac326da5452da01",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c942f5cd63b7c2e73fe06744185a34b03267595b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e3cbdcb0fbb61045ef3ce0e072927cc41737f787",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f032e125149d914e542548c17ebd613851031368",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/net_failover: fix txq exceeding warning\n\nThe failover txq is inited as 16 queues.\nwhen a packet is transmitted from the failover device firstly,\nthe failover device will select the queue which is returned from\nthe primary device if the primary device is UP and running.\nIf the primary device txq is bigger than the default 16,\nit can lead to the following warning:\neth0 selects TX queue 18, but real number of TX queues is 16\n\nThe warning backtrace is:\n[   32.146376] CPU: 18 PID: 9134 Comm: chronyd Tainted: G            E      6.2.8-1.el7.centos.x86_64 #1\n[   32.147175] Hardware name: Red Hat KVM, BIOS 1.10.2-3.el7_4.1 04/01/2014\n[   32.147730] Call Trace:\n[   32.147971]  <TASK>\n[   32.148183]  dump_stack_lvl+0x48/0x70\n[   32.148514]  dump_stack+0x10/0x20\n[   32.148820]  netdev_core_pick_tx+0xb1/0xe0\n[   32.149180]  __dev_queue_xmit+0x529/0xcf0\n[   32.149533]  ? __check_object_size.part.0+0x21c/0x2c0\n[   32.149967]  ip_finish_output2+0x278/0x560\n[   32.150327]  __ip_finish_output+0x1fe/0x2f0\n[   32.150690]  ip_finish_output+0x2a/0xd0\n[   32.151032]  ip_output+0x7a/0x110\n[   32.151337]  ? __pfx_ip_finish_output+0x10/0x10\n[   32.151733]  ip_local_out+0x5e/0x70\n[   32.152054]  ip_send_skb+0x19/0x50\n[   32.152366]  udp_send_skb.isra.0+0x163/0x3a0\n[   32.152736]  udp_sendmsg+0xba8/0xec0\n[   32.153060]  ? __folio_memcg_unlock+0x25/0x60\n[   32.153445]  ? __pfx_ip_generic_getfrag+0x10/0x10\n[   32.153854]  ? sock_has_perm+0x85/0xa0\n[   32.154190]  inet_sendmsg+0x6d/0x80\n[   32.154508]  ? inet_sendmsg+0x6d/0x80\n[   32.154838]  sock_sendmsg+0x62/0x70\n[   32.155152]  ____sys_sendmsg+0x134/0x290\n[   32.155499]  ___sys_sendmsg+0x81/0xc0\n[   32.155828]  ? _get_random_bytes.part.0+0x79/0x1a0\n[   32.156240]  ? ip4_datagram_release_cb+0x5f/0x1e0\n[   32.156649]  ? get_random_u16+0x69/0xf0\n[   32.156989]  ? __fget_light+0xcf/0x110\n[   32.157326]  __sys_sendmmsg+0xc4/0x210\n[   32.157657]  ? __sys_connect+0xb7/0xe0\n[   32.157995]  ? __audit_syscall_entry+0xce/0x140\n[   32.158388]  ? syscall_trace_enter.isra.0+0x12c/0x1a0\n[   32.158820]  __x64_sys_sendmmsg+0x24/0x30\n[   32.159171]  do_syscall_64+0x38/0x90\n[   32.159493]  entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nFix that by reducing txq number as the non-existent primary-dev does."
    }
  ],
  "lastModified": "2026-06-17T06:47:04.080",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}