CVE-2025-40266

Summary

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

KVM: arm64: Check the untrusted offset in FF-A memory share

Verify the offset to prevent OOB access in the hypervisor FF-A buffer in case an untrusted large enough value [U32_MAX - sizeof(struct ffa_composite_mem_region) + 1, U32_MAX] is set from the host kernel.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6211753fdfd05af9e08f54c8d0ba3ee516034878 < fc3139d9f4c1fe1c7d5f25f99676bd8e9c6a1041affected
LinuxLinux6211753fdfd05af9e08f54c8d0ba3ee516034878 < bc1909ef38788f2ee3d8011d70bf029948433051affected
LinuxLinux6211753fdfd05af9e08f54c8d0ba3ee516034878 < f9f1aed6c8a3427900da3121e1868124854569c3affected
LinuxLinux6211753fdfd05af9e08f54c8d0ba3ee516034878 < 103e17aac09cdd358133f9e00998b75d6c1f1518affected
LinuxLinux3.11affected
LinuxLinux0 < 3.11unaffected
LinuxLinux6.6.118 <= 6.6.*unaffected
LinuxLinux6.12.60 <= 6.12.*unaffected
LinuxLinux6.17.10 <= 6.17.*unaffected
LinuxLinux6.18 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References