CVE-2023-53190
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
vxlan: Fix memory leaks in error path
The memory allocated by vxlan_vnigroup_init() is not freed in the error path, leading to memory leaks [1]. Fix by calling vxlan_vnigroup_uninit() in the error path.
The leaks can be reproduced by annotating gro_cells_init() with ALLOW_ERROR_INJECTION() and then running:
# echo "100" > /sys/kernel/debug/fail_function/probability # echo "1" > /sys/kernel/debug/fail_function/times # echo "gro_cells_init" > /sys/kernel/debug/fail_function/inject # printf %#x -12 > /sys/kernel/debug/fail_function/gro_cells_init/retval # ip link add name vxlan0 type vxlan dstport 4789 external vnifilter RTNETLINK answers: Cannot allocate memory
Detalles técnicos trazas, registros y código del informe original
[1]
unreferenced object 0xffff88810db84a00 (size 512):
comm "ip", pid 330, jiffies 4295010045 (age 66.016s)
hex dump (first 32 bytes):
f8 d5 76 0e 81 88 ff ff 01 00 00 00 00 00 00 02 ..v.............
03 00 04 00 48 00 00 00 00 00 00 01 04 00 01 00 ....H...........
backtrace:
[<ffffffff81a3097a>] kmalloc_trace+0x2a/0x60
[<ffffffff82f049fc>] vxlan_vnigroup_init+0x4c/0x160
[<ffffffff82ecd69e>] vxlan_init+0x1ae/0x280
[<ffffffff836858ca>] register_netdevice+0x57a/0x16d0
[<ffffffff82ef67b7>] __vxlan_dev_create+0x7c7/0xa50
[<ffffffff82ef6ce6>] vxlan_newlink+0xd6/0x130
[<ffffffff836d02ab>] __rtnl_newlink+0x112b/0x18a0
[<ffffffff836d0a8c>] rtnl_newlink+0x6c/0xa0
[<ffffffff836c0ddf>] rtnetlink_rcv_msg+0x43f/0xd40
[<ffffffff83908ce0>] netlink_rcv_skb+0x170/0x440
[<ffffffff839066af>] netlink_unicast+0x53f/0x810
[<ffffffff839072d8>] netlink_sendmsg+0x958/0xe70
[<ffffffff835c319f>] ____sys_sendmsg+0x78f/0xa90
[<ffffffff835cd6da>] ___sys_sendmsg+0x13a/0x1e0
[<ffffffff835cd94c>] __sys_sendmsg+0x11c/0x1f0
[<ffffffff8424da78>] do_syscall_64+0x38/0x80
unreferenced object 0xffff88810e76d5f8 (size 192):
comm "ip", pid 330, jiffies 4295010045 (age 66.016s)
hex dump (first 32 bytes):
04 00 00 00 00 00 00 00 db e1 4f e7 00 00 00 00 ..........O.....
08 d6 76 0e 81 88 ff ff 08 d6 76 0e 81 88 ff ff ..v.......v.....
backtrace:
[<ffffffff81a3162e>] __kmalloc_node+0x4e/0x90
[<ffffffff81a0e166>] kvmalloc_node+0xa6/0x1f0
[<ffffffff8276e1a3>] bucket_table_alloc.isra.0+0x83/0x460
[<ffffffff8276f18b>] rhashtable_init+0x43b/0x7c0
[<ffffffff82f04a1c>] vxlan_vnigroup_init+0x6c/0x160
[<ffffffff82ecd69e>] vxlan_init+0x1ae/0x280
[<ffffffff836858ca>] register_netdevice+0x57a/0x16d0
[<ffffffff82ef67b7>] __vxlan_dev_create+0x7c7/0xa50
[<ffffffff82ef6ce6>] vxlan_newlink+0xd6/0x130
[<ffffffff836d02ab>] __rtnl_newlink+0x112b/0x18a0
[<ffffffff836d0a8c>] rtnl_newlink+0x6c/0xa0
[<ffffffff836c0ddf>] rtnetlink_rcv_msg+0x43f/0xd40
[<ffffffff83908ce0>] netlink_rcv_skb+0x170/0x440
[<ffffffff839066af>] netlink_unicast+0x53f/0x810
[<ffffffff839072d8>] netlink_sendmsg+0x958/0xe70
[<ffffffff835c319f>] ____sys_sendmsg+0x78f/0xa90CVSS
- 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: 0.18%
- 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)
CWE
- CWE-401
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-53190",
"cveTags": [],
"metrics": {
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{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
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{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"status": "affected",
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],
"programFiles": [
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],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
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{
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{
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"version": "6.0.19",
"versionType": "semver",
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{
"status": "unaffected",
"version": "6.1.5",
"versionType": "semver",
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{
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/vxlan/vxlan_core.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-09-15T14:15:41.277",
"references": [
{
"url": "https://git.kernel.org/stable/c/06bf62944144a92d83dd14fd1378d2a288259561",
"tags": [
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5896f55810680391a32652ca2b91245a05c11e22",
"tags": [
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],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/75c1ab900f7cf0485f0be1607c79c55f51faaa90",
"tags": [
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],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvxlan: Fix memory leaks in error path\n\nThe memory allocated by vxlan_vnigroup_init() is not freed in the error\npath, leading to memory leaks [1]. Fix by calling\nvxlan_vnigroup_uninit() in the error path.\n\nThe leaks can be reproduced by annotating gro_cells_init() with\nALLOW_ERROR_INJECTION() and then running:\n\n # echo \"100\" > /sys/kernel/debug/fail_function/probability\n # echo \"1\" > /sys/kernel/debug/fail_function/times\n # echo \"gro_cells_init\" > /sys/kernel/debug/fail_function/inject\n # printf %#x -12 > /sys/kernel/debug/fail_function/gro_cells_init/retval\n # ip link add name vxlan0 type vxlan dstport 4789 external vnifilter\n RTNETLINK answers: Cannot allocate memory\n\n[1]\nunreferenced object 0xffff88810db84a00 (size 512):\n comm \"ip\", pid 330, jiffies 4295010045 (age 66.016s)\n hex dump (first 32 bytes):\n f8 d5 76 0e 81 88 ff ff 01 00 00 00 00 00 00 02 ..v.............\n 03 00 04 00 48 00 00 00 00 00 00 01 04 00 01 00 ....H...........\n backtrace:\n [<ffffffff81a3097a>] kmalloc_trace+0x2a/0x60\n [<ffffffff82f049fc>] vxlan_vnigroup_init+0x4c/0x160\n [<ffffffff82ecd69e>] vxlan_init+0x1ae/0x280\n [<ffffffff836858ca>] register_netdevice+0x57a/0x16d0\n [<ffffffff82ef67b7>] __vxlan_dev_create+0x7c7/0xa50\n [<ffffffff82ef6ce6>] vxlan_newlink+0xd6/0x130\n [<ffffffff836d02ab>] __rtnl_newlink+0x112b/0x18a0\n [<ffffffff836d0a8c>] rtnl_newlink+0x6c/0xa0\n [<ffffffff836c0ddf>] rtnetlink_rcv_msg+0x43f/0xd40\n [<ffffffff83908ce0>] netlink_rcv_skb+0x170/0x440\n [<ffffffff839066af>] netlink_unicast+0x53f/0x810\n [<ffffffff839072d8>] netlink_sendmsg+0x958/0xe70\n [<ffffffff835c319f>] ____sys_sendmsg+0x78f/0xa90\n [<ffffffff835cd6da>] ___sys_sendmsg+0x13a/0x1e0\n [<ffffffff835cd94c>] __sys_sendmsg+0x11c/0x1f0\n [<ffffffff8424da78>] do_syscall_64+0x38/0x80\nunreferenced object 0xffff88810e76d5f8 (size 192):\n comm \"ip\", pid 330, jiffies 4295010045 (age 66.016s)\n hex dump (first 32 bytes):\n 04 00 00 00 00 00 00 00 db e1 4f e7 00 00 00 00 ..........O.....\n 08 d6 76 0e 81 88 ff ff 08 d6 76 0e 81 88 ff ff ..v.......v.....\n backtrace:\n [<ffffffff81a3162e>] __kmalloc_node+0x4e/0x90\n [<ffffffff81a0e166>] kvmalloc_node+0xa6/0x1f0\n [<ffffffff8276e1a3>] bucket_table_alloc.isra.0+0x83/0x460\n [<ffffffff8276f18b>] rhashtable_init+0x43b/0x7c0\n [<ffffffff82f04a1c>] vxlan_vnigroup_init+0x6c/0x160\n [<ffffffff82ecd69e>] vxlan_init+0x1ae/0x280\n [<ffffffff836858ca>] register_netdevice+0x57a/0x16d0\n [<ffffffff82ef67b7>] __vxlan_dev_create+0x7c7/0xa50\n [<ffffffff82ef6ce6>] vxlan_newlink+0xd6/0x130\n [<ffffffff836d02ab>] __rtnl_newlink+0x112b/0x18a0\n [<ffffffff836d0a8c>] rtnl_newlink+0x6c/0xa0\n [<ffffffff836c0ddf>] rtnetlink_rcv_msg+0x43f/0xd40\n [<ffffffff83908ce0>] netlink_rcv_skb+0x170/0x440\n [<ffffffff839066af>] netlink_unicast+0x53f/0x810\n [<ffffffff839072d8>] netlink_sendmsg+0x958/0xe70\n [<ffffffff835c319f>] ____sys_sendmsg+0x78f/0xa90"
}
],
"lastModified": "2026-06-17T06:44:28.287",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}