CVE-2026-93133 PUBLISHED

ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()

Assigner: Linux
Reserved: 17.09.2026 Published: 17.09.2026 Updated: 17.09.2026

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

ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()

In riscv_acpi_add_prt_dep(), the acpi_get_handle() call can fail which would leave link_handle uninitialized.

Fix it by checking the acpi_get_handle() return status and skip the entry if it fails.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1b173cc4bfcdcf4a49927952ba3a445c5b293723 to f8625752bfdf108a0000116aa583b3efe767b540 (excl.)
  • affected from 1b173cc4bfcdcf4a49927952ba3a445c5b293723 to 4cdcf4e19ed3127afd787f026d4ec56ae4d2a4ed (excl.)
  • affected from 1b173cc4bfcdcf4a49927952ba3a445c5b293723 to 088c1c85921344d7244ca2e8d5d336ae7461de6e (excl.)
  • affected from 1b173cc4bfcdcf4a49927952ba3a445c5b293723 to 20435bda13f1219891ed0ce41207e320a916ff9c (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.12 is affected
  • unaffected from 0 to 6.12 (excl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References