CVE-2026-23023
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm "kworker/u258:5", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-01-31 12:16:05.617000
Last modified
2026-11-05 22:18:00.527000
View original CVE JSON
{
"id": "CVE-2026-23023",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-01-31T12:16:05.617",
"lastModified": "2026-11-05T22:18:00.527",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak in idpf_vport_rel()\n\nFree vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory\nduring a reset. Reported by kmemleak:\n\nunreferenced object 0xff450acac838a000 (size 4096):\n comm \"kworker/u258:5\", pid 7732, jiffies 4296830044\n hex dump (first 32 bytes):\n 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................\n backtrace (crc 3da81902):\n __kmalloc_cache_noprof+0x469/0x7a0\n idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]\n idpf_init_task+0x1ec/0x8d0 [idpf]\n process_one_work+0x226/0x6d0\n worker_thread+0x19e/0x340\n kthread+0x10f/0x250\n ret_from_fork+0x251/0x2b0\n ret_from_fork_asm+0x1a/0x30"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nidpf: corrección de fuga de memoria en idpf_vport_rel()\n\nLibera vport->rx_ptype_lkup en idpf_vport_rel() para evitar la fuga de memoria durante un reinicio. Reportado por kmemleak:\n\nobjeto sin referencia 0xff450acac838a000 (tamaño 4096):\n comm 'kworker/u258:5', pid 7732, jiffies 4296830044\n volcado hexadecimal (primeros 32 bytes):\n 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................\n rastreo (crc 3da81902):\n __kmalloc_cache_noprof+0x469/0x7a0\n idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]\n idpf_init_task+0x1ec/0x8d0 [idpf]\n process_one_work+0x226/0x6d0\n worker_thread+0x19e/0x340\n kthread+0x10f/0x250\n ret_from_fork+0x251/0x2b0\n ret_from_fork_asm+0x1a/0x30"
}
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"affectedData": [
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"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
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],
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{
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},
{
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"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
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}
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}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
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"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T21:18:42.265548Z",
"id": "CVE-2026-23023",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
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{
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],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"configurations": [
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