CVE-2021-47057

Summary

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

crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map

In the case where the dma_iv mapping fails, the return error path leaks the memory allocated to object d. Fix this by adding a new error return label and jumping to this to ensure d is free'd before the return.

Addresses-Coverity: ("Resource leak")

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxac2614d721dea2ff273af19c6c5d508d58a2bb3e < 617ec35ed51f731a593ae7274228ef2cfc9cb781affected
LinuxLinuxac2614d721dea2ff273af19c6c5d508d58a2bb3e < e1f2d739849c3239df1ea3f97d40bade4b808410affected
LinuxLinuxac2614d721dea2ff273af19c6c5d508d58a2bb3e < 6516cb852d704ff8d615de1f93cd443a99736c3daffected
LinuxLinuxac2614d721dea2ff273af19c6c5d508d58a2bb3e < 98b5ef3e97b16eaeeedb936f8bda3594ff84a70eaffected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.37 <= 5.10.*unaffected
LinuxLinux5.11.21 <= 5.11.*unaffected
LinuxLinux5.12.4 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References