5.5

CVE-2022-50361

wifi: wilc1000: add missing unregister_netdev() in wilc_netdev_ifc_init()

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

wifi: wilc1000: add missing unregister_netdev() in wilc_netdev_ifc_init()

Fault injection test reports this issue:

kernel BUG at net/core/dev.c:10731!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
Call Trace:
  <TASK>
  wilc_netdev_ifc_init+0x19f/0x220 [wilc1000 884bf126e9e98af6a708f266a8dffd53f99e4bf5]
  wilc_cfg80211_init+0x30c/0x380 [wilc1000 884bf126e9e98af6a708f266a8dffd53f99e4bf5]
  wilc_bus_probe+0xad/0x2b0 [wilc1000_spi 1520a7539b6589cc6cde2ae826a523a33f8bacff]
  spi_probe+0xe4/0x140
  really_probe+0x17e/0x3f0
  __driver_probe_device+0xe3/0x170
  driver_probe_device+0x49/0x120

The root case here is alloc_ordered_workqueue() fails, but
cfg80211_unregister_netdevice() or unregister_netdev() not be called in
error handling path. To fix add unregister_netdev goto lable to add the
unregister operation in error handling path.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.17 < 6.1.16
Linux ≫ Linux Kernel Version >= 6.2 < 6.2.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.01% 0.023
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.