CVE-2022-49160

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Fix crash during module load unload test

During purex packet handling the driver was incorrectly freeing a pre-allocated structure. Fix this by skipping that entry.

System crashed with the following stack during a module unload test.

Detalles técnicos trazas, registros y código del informe original

Call Trace:
	sbitmap_init_node+0x7f/0x1e0
	sbitmap_queue_init_node+0x24/0x150
	blk_mq_init_bitmaps+0x3d/0xa0
	blk_mq_init_tags+0x68/0x90
	blk_mq_alloc_map_and_rqs+0x44/0x120
	blk_mq_alloc_set_map_and_rqs+0x63/0x150
	blk_mq_alloc_tag_set+0x11b/0x230
	scsi_add_host_with_dma.cold+0x3f/0x245
	qla2x00_probe_one+0xd5a/0x1b80 [qla2xxx]

Call Trace with slub_debug and debug kernel:
	kasan_report_invalid_free+0x50/0x80
	__kasan_slab_free+0x137/0x150
	slab_free_freelist_hook+0xc6/0x190
	kfree+0xe8/0x2e0
	qla2x00_free_device+0x3bb/0x5d0 [qla2xxx]
	qla2x00_remove_one+0x668/0xcf0 [qla2xxx]

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: 0.33%
Percentil entre todas las CVEs puntuadas: 24
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)

Linux — Linux Kernel

CWE

CWE-763

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2022-49160",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          "integrityImpact": "HIGH",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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          "programFiles": [
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  "published": "2025-02-26T07:00:53.190",
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      "url": "https://git.kernel.org/stable/c/0972252450f90db56dd5415a20e2aec21a08d036",
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      "description": [
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          "value": "CWE-763"
        }
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix crash during module load unload test\n\nDuring purex packet handling the driver was incorrectly freeing a\npre-allocated structure. Fix this by skipping that entry.\n\nSystem crashed with the following stack during a module unload test.\n\nCall Trace:\n\tsbitmap_init_node+0x7f/0x1e0\n\tsbitmap_queue_init_node+0x24/0x150\n\tblk_mq_init_bitmaps+0x3d/0xa0\n\tblk_mq_init_tags+0x68/0x90\n\tblk_mq_alloc_map_and_rqs+0x44/0x120\n\tblk_mq_alloc_set_map_and_rqs+0x63/0x150\n\tblk_mq_alloc_tag_set+0x11b/0x230\n\tscsi_add_host_with_dma.cold+0x3f/0x245\n\tqla2x00_probe_one+0xd5a/0x1b80 [qla2xxx]\n\nCall Trace with slub_debug and debug kernel:\n\tkasan_report_invalid_free+0x50/0x80\n\t__kasan_slab_free+0x137/0x150\n\tslab_free_freelist_hook+0xc6/0x190\n\tkfree+0xe8/0x2e0\n\tqla2x00_free_device+0x3bb/0x5d0 [qla2xxx]\n\tqla2x00_remove_one+0x668/0xcf0 [qla2xxx]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: qla2xxx: Se corrige un fallo durante la prueba de carga y descarga de módulos. Durante la gestión de paquetes de Purex, el controlador estaba liberando incorrectamente una estructura preasignada. Solucione este problema omitiendo esa entrada. El sistema se bloqueaba con la siguiente pila durante una prueba de descarga de módulos. Rastreo de llamadas: sbitmap_init_node+0x7f/0x1e0 sbitmap_queue_init_node+0x24/0x150 blk_mq_init_bitmaps+0x3d/0xa0 blk_mq_init_tags+0x68/0x90 blk_mq_alloc_map_and_rqs+0x44/0x120 blk_mq_alloc_set_map_and_rqs+0x63/0x150 blk_mq_alloc_tag_set+0x11b/0x230 scsi_add_host_with_dma.cold+0x3f/0x245 qla2x00_probe_one+0xd5a/0x1b80 [qla2xxx] Rastreo de llamadas con slub_debug y núcleo de depuración: kasan_report_invalid_free+0x50/0x80 __kasan_slab_free+0x137/0x150 slab_free_freelist_hook+0xc6/0x190 kfree+0xe8/0x2e0 qla2x00_free_device+0x3bb/0x5d0 [qla2xxx] qla2x00_remove_one+0x668/0xcf0 [qla2xxx]"
    }
  ],
  "lastModified": "2026-08-04T10:17:36.883",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "5.15.54",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}