CVE-2021-47315

Summary

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

memory: fsl_ifc: fix leak of IO mapping on probe failure

On probe error the driver should unmap the IO memory. Smatch reports:

drivers/memory/fsl_ifc.c:298 fsl_ifc_ctrl_probe() warn: 'fsl_ifc_ctrl_dev->gregs' not released on lines: 298.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < d0d04b95e8ed0223844a1d58497c686fe2e4a955affected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < 6b3b002de90738e3c85853a682ce7e0fa078d42baffected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < 94bc2fe46102d1e060fc749c0c19511e76c9995faffected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < d9213d4f372d30b5bc4d921795d6bed0c0e3eebfaffected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < 8d071d270afba468708faca5f7b6d9e656f75e27affected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < 83af5816308b490b05fc8fa27fc1bdc769df200aaffected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < 28f71fd81ebd3b386bf5c7c5539664156f7d72c1affected
LinuxLinuxa20cbdeffce247a2b6fb83cd8d22433994068565 < 3b132ab67fc7a358fff35e808fa65d4bea452521affected
LinuxLinux3.3affected
LinuxLinux0 < 3.3unaffected
LinuxLinux4.9.276 <= 4.9.*unaffected
LinuxLinux4.14.240 <= 4.14.*unaffected
LinuxLinux4.19.198 <= 4.19.*unaffected
LinuxLinux5.4.134 <= 5.4.*unaffected
LinuxLinux5.10.52 <= 5.10.*unaffected
LinuxLinux5.12.19 <= 5.12.*unaffected
LinuxLinux5.13.4 <= 5.13.*unaffected
LinuxLinux5.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References