CVE-2023-53720
Estado: AplazadaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Release the label when replacing existing ct entry
Cited commit doesn't release the label mapping when replacing existing ct entry which leads to following memleak report:
Fix the issue by correctly releasing the label mapping.
Detalles técnicos trazas, registros y código del informe original
unreferenced object 0xffff8881854cf280 (size 96):
comm "kworker/u48:74", pid 23093, jiffies 4296664564 (age 175.944s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000002722d368>] __kmalloc+0x4b/0x1c0
[<00000000cc44e18f>] mapping_add+0x6e8/0xc90 [mlx5_core]
[<000000003ad942a7>] mlx5_get_label_mapping+0x66/0xe0 [mlx5_core]
[<00000000266308ac>] mlx5_tc_ct_entry_create_mod_hdr+0x1c4/0xf50 [mlx5_core]
[<000000009a768b4f>] mlx5_tc_ct_entry_add_rule+0x16f/0xaf0 [mlx5_core]
[<00000000a178f3e5>] mlx5_tc_ct_block_flow_offload_add+0x10cb/0x1f90 [mlx5_core]
[<000000007b46c496>] mlx5_tc_ct_block_flow_offload+0x14a/0x630 [mlx5_core]
[<00000000a9a18ac5>] nf_flow_offload_tuple+0x1a3/0x390 [nf_flow_table]
[<00000000d0881951>] flow_offload_work_handler+0x257/0xd30 [nf_flow_table]
[<000000009e4935a4>] process_one_work+0x7c2/0x13e0
[<00000000f5cd36a7>] worker_thread+0x59d/0xec0
[<00000000baed1daf>] kthread+0x28f/0x330
[<0000000063d282a4>] ret_from_fork+0x1f/0x30CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- 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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-53720",
"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": "94ceffb48eac7692677d8093dcde6965b70c4b35",
"lessThan": "3db903a71f1f4bbf30baae166a4a49f2e8aceb61",
"versionType": "git"
},
{
"status": "affected",
"version": "94ceffb48eac7692677d8093dcde6965b70c4b35",
"lessThan": "8ac04a28144cfa89b61be518268233742c23d88d",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.3"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.3",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.3.2",
"versionType": "semver",
"lessThanOrEqual": "6.3.*"
},
{
"status": "unaffected",
"version": "6.4",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-10-22T14:15:46.700",
"references": [
{
"url": "https://git.kernel.org/stable/c/3db903a71f1f4bbf30baae166a4a49f2e8aceb61",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/8ac04a28144cfa89b61be518268233742c23d88d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Deferred",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Release the label when replacing existing ct entry\n\nCited commit doesn't release the label mapping when replacing existing ct\nentry which leads to following memleak report:\n\nunreferenced object 0xffff8881854cf280 (size 96):\n comm \"kworker/u48:74\", pid 23093, jiffies 4296664564 (age 175.944s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000002722d368>] __kmalloc+0x4b/0x1c0\n [<00000000cc44e18f>] mapping_add+0x6e8/0xc90 [mlx5_core]\n [<000000003ad942a7>] mlx5_get_label_mapping+0x66/0xe0 [mlx5_core]\n [<00000000266308ac>] mlx5_tc_ct_entry_create_mod_hdr+0x1c4/0xf50 [mlx5_core]\n [<000000009a768b4f>] mlx5_tc_ct_entry_add_rule+0x16f/0xaf0 [mlx5_core]\n [<00000000a178f3e5>] mlx5_tc_ct_block_flow_offload_add+0x10cb/0x1f90 [mlx5_core]\n [<000000007b46c496>] mlx5_tc_ct_block_flow_offload+0x14a/0x630 [mlx5_core]\n [<00000000a9a18ac5>] nf_flow_offload_tuple+0x1a3/0x390 [nf_flow_table]\n [<00000000d0881951>] flow_offload_work_handler+0x257/0xd30 [nf_flow_table]\n [<000000009e4935a4>] process_one_work+0x7c2/0x13e0\n [<00000000f5cd36a7>] worker_thread+0x59d/0xec0\n [<00000000baed1daf>] kthread+0x28f/0x330\n [<0000000063d282a4>] ret_from_fork+0x1f/0x30\n\nFix the issue by correctly releasing the label mapping."
}
],
"lastModified": "2026-06-17T06:45:56.670",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}