CVE-2022-49342

Summary

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

net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register

of_get_child_by_name() 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
LinuxLinux55954f3bfdacc5908515b0c306cea23e77fab740 < b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4affected
LinuxLinux55954f3bfdacc5908515b0c306cea23e77fab740 < 7fb1fe7d9a167205413f1de8db9f7d0f82c78286affected
LinuxLinux55954f3bfdacc5908515b0c306cea23e77fab740 < b8d91399775c55162073bb2aca061ec42e3d4bc1affected
LinuxLinux4.8affected
LinuxLinux0 < 4.8unaffected
LinuxLinux5.17.15 <= 5.17.*unaffected
LinuxLinux5.18.4 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References