CVE-2022-49439

Summary

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

powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup

of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < 51e25fbf20c9152d84a34b7afac15a41fe5c9116affected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < 5b8aa2ba38c010f47c965dd9bb5a8561813ed649affected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < bcb6c4c5eb4836a21411dfe8247bf9951eb6e7c3affected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < 46fd994763cf6884b88a2da712af918f3ed54d7baffected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < 7b668a59ddfb32727e39b06fdf52b28e58c684e0affected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < c70dd353d37158e06bf8d450d4b31a7091609924affected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < 5607a77a365df8c0fd5ff43ac424812b95775527affected
LinuxLinuxabc3aeae3aaa5c319d02f12649e17ea5929999aa < fcee96924ba1596ca80a6770b2567ca546f9a482affected
LinuxLinux3.3affected
LinuxLinux0 < 3.3unaffected
LinuxLinux4.14.283 <= 4.14.*unaffected
LinuxLinux4.19.247 <= 4.19.*unaffected
LinuxLinux5.4.198 <= 5.4.*unaffected
LinuxLinux5.10.121 <= 5.10.*unaffected
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