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Out-of-bounds Write

CVE-2024-26327

High
9.8/10

Summary

An issue was discovered in qemu versions 7.0.0-rc0 through v7.2.10 and 8.0.0 through v8.2.2 . The function "register_vfs" in "hw/pci/pcie_sriov.c" mishandles the situation where a guest writes "NumVFs" greater than "TotalVFs", leading to a buffer overflow in VF implementations.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.

References

Advisory Timeline

  • Published