CVE-2024-44970

Summary

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

net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink

When all the strides in a WQE have been consumed, the WQE is unlinked from the WQ linked list (mlx5_wq_ll_pop()). For SHAMPO, it is possible to receive CQEs with 0 consumed strides for the same WQE even after the WQE is fully consumed and unlinked. This triggers an additional unlink for the same wqe which corrupts the linked list.

Fix this scenario by accepting 0 sized consumed strides without unlinking the WQE again.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf97d5c2a453e26071e3b0ec12161de57c4a237c4 < 7b379353e9144e1f7460ff15f39862012c9d0d78affected
LinuxLinuxf97d5c2a453e26071e3b0ec12161de57c4a237c4 < 650e24748e1e0a7ff91d5c72b72a2f2a452b5b76affected
LinuxLinuxf97d5c2a453e26071e3b0ec12161de57c4a237c4 < 50d8009a0ac02c3311b23a0066511f8337bd88d9affected
LinuxLinuxf97d5c2a453e26071e3b0ec12161de57c4a237c4 < fba8334721e266f92079632598e46e5f89082f30affected
LinuxLinux5.16affected
LinuxLinux0 < 5.16unaffected
LinuxLinux6.1.105 <= 6.1.*unaffected
LinuxLinux6.6.46 <= 6.6.*unaffected
LinuxLinux6.10.5 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References