CVE-2022-49454

Summary

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

PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()

The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux87e8657ba99cac87b84c7f8ead91b44d88345504 < ad1c9d13e04509ae24fae8dd2897148657323519affected
LinuxLinux87e8657ba99cac87b84c7f8ead91b44d88345504 < 4cef4237d6c37257cb6ddc397723e9c0dded0efeaffected
LinuxLinux87e8657ba99cac87b84c7f8ead91b44d88345504 < 09b2d906d78ddf5042b1f3e0091835fc6997e8a4affected
LinuxLinux87e8657ba99cac87b84c7f8ead91b44d88345504 < 214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux5.15.46 <= 5.15.*unaffected
LinuxLinux5.17.14 <= 5.17.*unaffected
LinuxLinux5.18.3 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References