CVE-2024-50136
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Unregister notifier on eswitch init failure
It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort:
Detalles técnicos trazas, registros y código del informe original
[ 682.589148] ------------[ cut here ]------------ [ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [ 682.610052] Call Trace: [ 682.610369] <TASK> [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.22%
- Percentil entre todas las CVEs puntuadas: 11
- Fecha de la puntuación: 5/10/2026
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)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/1da9cfd6c41c2e6bbe624d0568644e1521c33e12
- https://git.kernel.org/stable/c/599147722c5778c96292e2fbff4103abbdb45b1f
- https://git.kernel.org/stable/c/9f2ccb6f3888bec45c00121ee43e4e72423b12c1
- https://git.kernel.org/stable/c/e58fb7ddbab6635191c26dea1af26b91cce00866
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
JSON original (NVD)
Mostrar
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"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
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"exploitabilityScore": 1.8
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"description": [
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}
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Unregister notifier on eswitch init failure\n\nIt otherwise remains registered and a subsequent attempt at eswitch\nenabling might trigger warnings of the sort:\n\n[ 682.589148] ------------[ cut here ]------------\n[ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered\n[ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90\n[...snipped]\n[ 682.610052] Call Trace:\n[ 682.610369] <TASK>\n[ 682.610663] ? __warn+0x7c/0x110\n[ 682.611050] ? notifier_chain_register+0x3e/0x90\n[ 682.611556] ? report_bug+0x148/0x170\n[ 682.611977] ? handle_bug+0x36/0x70\n[ 682.612384] ? exc_invalid_op+0x13/0x60\n[ 682.612817] ? asm_exc_invalid_op+0x16/0x20\n[ 682.613284] ? notifier_chain_register+0x3e/0x90\n[ 682.613789] atomic_notifier_chain_register+0x25/0x40\n[ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core]\n[ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core]\n[ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core]\n[ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core]\n[ 682.616789] sriov_numvfs_store+0xb0/0x1b0\n[ 682.617248] kernfs_fop_write_iter+0x117/0x1a0\n[ 682.617734] vfs_write+0x231/0x3f0\n[ 682.618138] ksys_write+0x63/0xe0\n[ 682.618536] do_syscall_64+0x4c/0x100\n[ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Anular el registro del notificador en caso de error de inicialización de eswitch De lo contrario, permanece registrado y un intento posterior de habilitar eswitch podría generar advertencias del tipo: [ 682.589148] ------------[ cortar aquí ]------------ [ 682.590204] devolución de llamada del notificador eswitch_vport_event [mlx5_core] ya registrado [ 682.590256] ADVERTENCIA: CPU: 13 PID: 2660 en kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...cortado] [ 682.610052] Rastreo de llamada: [ 682.610369] [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53"
}
],
"lastModified": "2026-06-17T08:03:40.947",
"configurations": [
{
"nodes": [
{
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}