CVE-2026-31564 PUBLISHED

LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access()

Assigner: Linux
Reserved: 09.03.2026 Published: 24.04.2026 Updated: 24.04.2026

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

LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access()

In function kvm_eiointc_regs_access(), the register base address is caculated from array base address plus offset, the offset is absolute value from the base address. The data type of array base address is u64, it should be converted into the "void *" type and then plus the offset.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from d3e43a1f34acbb9a814337fc5624765538e5a274 to c4f0a9481cf0dd7c71a07484bc98f2570fdb3a82 (excl.)
  • affected from d3e43a1f34acbb9a814337fc5624765538e5a274 to 6bcfb7f46d667b04bd1a1169ccedf5fb699c60df (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.19 is affected
  • unaffected from 0 to 6.19 (excl.)
  • unaffected from 6.19.11 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References