CVE-2021-47378

Summary

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

nvme-rdma: destroy cm id before destroy qp to avoid use after free

We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishment error flow, don't destroy qp in cm event handler.Just report cm_error to upper level, qp will be destroy in nvme_rdma_alloc_queue() after destroy cm id.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux7110230719602852481c2793d054f866b2bf4a2b < ecf0dc5a904830c926a64feffd8e01141f89822faffected
LinuxLinux7110230719602852481c2793d054f866b2bf4a2b < d268a182c56e8361e19fb781137411643312b994affected
LinuxLinux7110230719602852481c2793d054f866b2bf4a2b < 9817d763dbe15327b9b3ff4404fa6f27f927e744affected
LinuxLinux4.8affected
LinuxLinux0 < 4.8unaffected
LinuxLinux5.10.70 <= 5.10.*unaffected
LinuxLinux5.14.9 <= 5.14.*unaffected
LinuxLinux5.15 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

CVE Program Container

Additional References

References