CVE-2023-52762

Summary

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

virtio-blk: fix implicit overflow on virtio_max_dma_size

The following codes have an implicit conversion from size_t to u32: (u32)max_size = (size_t)virtio_max_dma_size(vdev);

This may lead overflow, Ex (size_t)4G -> (u32)0. Once virtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX instead.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfd1068e1860e44aaaa337b516df4518d1ce98da1 < 72775cad7f572bb2501f9ea609e1d20e68f0b38baffected
LinuxLinuxfd1068e1860e44aaaa337b516df4518d1ce98da1 < 472bd4787406bef2e8b41ee4c74d960a06a49a48affected
LinuxLinuxfd1068e1860e44aaaa337b516df4518d1ce98da1 < 017278f141141367f7d14b203e930b45b6ffffb9affected
LinuxLinuxfd1068e1860e44aaaa337b516df4518d1ce98da1 < d667fe301dcbcb12d1d6494fc4b8abee2cb75d90affected
LinuxLinuxfd1068e1860e44aaaa337b516df4518d1ce98da1 < fafb51a67fb883eb2dde352539df939a251851beaffected
LinuxLinux5.1affected
LinuxLinux0 < 5.1unaffected
LinuxLinux5.15.140 <= 5.15.*unaffected
LinuxLinux6.1.64 <= 6.1.*unaffected
LinuxLinux6.5.13 <= 6.5.*unaffected
LinuxLinux6.6.3 <= 6.6.*unaffected
LinuxLinux6.7 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References