CVE-2022-49656

Summary

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

ARM: meson: Fix refcount leak in meson_smp_prepare_cpus

of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd850f3e5d2966e5c9eb55f66181cee960737e04c < 2e1bcd33478ef44e63a45457055060b5fe4118adaffected
LinuxLinuxd850f3e5d2966e5c9eb55f66181cee960737e04c < 3cf8ece9113242c10f83c7675ea4f4f67959ee43affected
LinuxLinuxd850f3e5d2966e5c9eb55f66181cee960737e04c < 3d90607e7e6afa89768b0aaa915b58bd2b849276affected
LinuxLinuxd850f3e5d2966e5c9eb55f66181cee960737e04c < 7208101ded1e9dcc52c8f0f8b16474211c871c1aaffected
LinuxLinuxd850f3e5d2966e5c9eb55f66181cee960737e04c < c5fbf4f74c94fd60d5e9bf9f7f8268c3601562caaffected
LinuxLinuxd850f3e5d2966e5c9eb55f66181cee960737e04c < 34d2cd3fccced12b958b8848e3eff0ee4296764caffected
LinuxLinux4.15affected
LinuxLinux0 < 4.15unaffected
LinuxLinux4.19.252 <= 4.19.*unaffected
LinuxLinux5.4.205 <= 5.4.*unaffected
LinuxLinux5.10.130 <= 5.10.*unaffected
LinuxLinux5.15.54 <= 5.15.*unaffected
LinuxLinux5.18.11 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References