CVE-2023-53595
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: mcs: Fix NULL pointer dereferences
When system is rebooted after creating macsec interface below NULL pointer dereference crashes occurred. This patch fixes those crashes by using correct order of teardown
Detalles técnicos trazas, registros y código del informe original
[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 3324.415726] Mem abort info: [ 3324.418510] ESR = 0x96000006 [ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits [ 3324.426865] SET = 0, FnV = 0 [ 3324.429913] EA = 0, S1PTW = 0 [ 3324.433047] Data abort info: [ 3324.435921] ISV = 0, ISS = 0x00000006 [ 3324.439748] CM = 0, WnR = 0 .... [ 3324.575915] Call trace: [ 3324.578353] cn10k_mdo_del_secy+0x24/0x180 [ 3324.582440] macsec_common_dellink+0xec/0x120 [ 3324.586788] macsec_notify+0x17c/0x1c0 [ 3324.590529] raw_notifier_call_chain+0x50/0x70 [ 3324.594965] call_netdevice_notifiers_info+0x34/0x7c [ 3324.599921] rollback_registered_many+0x354/0x5bc [ 3324.604616] unregister_netdevice_queue+0x88/0x10c [ 3324.609399] unregister_netdev+0x20/0x30 [ 3324.613313] otx2_remove+0x8c/0x310 [ 3324.616794] pci_device_shutdown+0x30/0x70 [ 3324.620882] device_shutdown+0x11c/0x204 [ 966.664930] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 966.673712] Mem abort info: [ 966.676497] ESR = 0x96000006 [ 966.679543] EC = 0x25: DABT (current EL), IL = 32 bits [ 966.684848] SET = 0, FnV = 0 [ 966.687895] EA = 0, S1PTW = 0 [ 966.691028] Data abort info: [ 966.693900] ISV = 0, ISS = 0x00000006 [ 966.697729] CM = 0, WnR = 0 [ 966.833467] Call trace: [ 966.835904] cn10k_mdo_stop+0x20/0xa0 [ 966.839557] macsec_dev_stop+0xe8/0x11c [ 966.843384] __dev_close_many+0xbc/0x140 [ 966.847298] dev_close_many+0x84/0x120 [ 966.851039] rollback_registered_many+0x114/0x5bc [ 966.855735] unregister_netdevice_many.part.0+0x14/0xa0 [ 966.860952] unregister_netdevice_many+0x18/0x24 [ 966.865560] macsec_notify+0x1ac/0x1c0 [ 966.869303] raw_notifier_call_chain+0x50/0x70 [ 966.873738] call_netdevice_notifiers_info+0x34/0x7c [ 966.878694] rollback_registered_many+0x354/0x5bc [ 966.883390] unregister_netdevice_queue+0x88/0x10c [ 966.888173] unregister_netdev+0x20/0x30 [ 966.892090] otx2_remove+0x8c/0x310 [ 966.895571] pci_device_shutdown+0x30/0x70 [ 966.899660] device_shutdown+0x11c/0x204 [ 966.903574] __do_sys_reboot+0x208/0x290 [ 966.907487] __arm64_sys_reboot+0x20/0x30 [ 966.911489] el0_svc_handler+0x80/0x1c0 [ 966.915316] el0_svc+0x8/0x180 [ 966.918362] Code: f9400000 f9400a64 91220014 f94b3403 (f9400060) [ 966.924448] ---[ end trace 341778e799c3d8d7 ]---
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: 0.14%
- Percentil entre todas las CVEs puntuadas: 3
- Fecha de la puntuación: 6/10/2026
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
- CWE-476
Referencias
JSON original (NVD)
Mostrar
{
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
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"published": "2025-10-04T16:15:56.030",
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"descriptions": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: mcs: Fix NULL pointer dereferences\n\nWhen system is rebooted after creating macsec interface\nbelow NULL pointer dereference crashes occurred. This\npatch fixes those crashes by using correct order of teardown\n\n[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 3324.415726] Mem abort info:\n[ 3324.418510] ESR = 0x96000006\n[ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 3324.426865] SET = 0, FnV = 0\n[ 3324.429913] EA = 0, S1PTW = 0\n[ 3324.433047] Data abort info:\n[ 3324.435921] ISV = 0, ISS = 0x00000006\n[ 3324.439748] CM = 0, WnR = 0\n....\n[ 3324.575915] Call trace:\n[ 3324.578353] cn10k_mdo_del_secy+0x24/0x180\n[ 3324.582440] macsec_common_dellink+0xec/0x120\n[ 3324.586788] macsec_notify+0x17c/0x1c0\n[ 3324.590529] raw_notifier_call_chain+0x50/0x70\n[ 3324.594965] call_netdevice_notifiers_info+0x34/0x7c\n[ 3324.599921] rollback_registered_many+0x354/0x5bc\n[ 3324.604616] unregister_netdevice_queue+0x88/0x10c\n[ 3324.609399] unregister_netdev+0x20/0x30\n[ 3324.613313] otx2_remove+0x8c/0x310\n[ 3324.616794] pci_device_shutdown+0x30/0x70\n[ 3324.620882] device_shutdown+0x11c/0x204\n\n[ 966.664930] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 966.673712] Mem abort info:\n[ 966.676497] ESR = 0x96000006\n[ 966.679543] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 966.684848] SET = 0, FnV = 0\n[ 966.687895] EA = 0, S1PTW = 0\n[ 966.691028] Data abort info:\n[ 966.693900] ISV = 0, ISS = 0x00000006\n[ 966.697729] CM = 0, WnR = 0\n[ 966.833467] Call trace:\n[ 966.835904] cn10k_mdo_stop+0x20/0xa0\n[ 966.839557] macsec_dev_stop+0xe8/0x11c\n[ 966.843384] __dev_close_many+0xbc/0x140\n[ 966.847298] dev_close_many+0x84/0x120\n[ 966.851039] rollback_registered_many+0x114/0x5bc\n[ 966.855735] unregister_netdevice_many.part.0+0x14/0xa0\n[ 966.860952] unregister_netdevice_many+0x18/0x24\n[ 966.865560] macsec_notify+0x1ac/0x1c0\n[ 966.869303] raw_notifier_call_chain+0x50/0x70\n[ 966.873738] call_netdevice_notifiers_info+0x34/0x7c\n[ 966.878694] rollback_registered_many+0x354/0x5bc\n[ 966.883390] unregister_netdevice_queue+0x88/0x10c\n[ 966.888173] unregister_netdev+0x20/0x30\n[ 966.892090] otx2_remove+0x8c/0x310\n[ 966.895571] pci_device_shutdown+0x30/0x70\n[ 966.899660] device_shutdown+0x11c/0x204\n[ 966.903574] __do_sys_reboot+0x208/0x290\n[ 966.907487] __arm64_sys_reboot+0x20/0x30\n[ 966.911489] el0_svc_handler+0x80/0x1c0\n[ 966.915316] el0_svc+0x8/0x180\n[ 966.918362] Code: f9400000 f9400a64 91220014 f94b3403 (f9400060)\n[ 966.924448] ---[ end trace 341778e799c3d8d7 ]---"
}
],
"lastModified": "2026-06-17T06:45:40.817",
"configurations": [
{
"nodes": [
{
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