What happened
In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op) Add overflow check for Index + Length to prevent integer overflow when calculating the truncation length. This prevents negative size parameter being passed to memcpy().
Affected versions
Linux: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 through before d0d89f2e16a874e0f8fb17045da293e8bedf8b21 (git); 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 through before b96401812cbfbb4803faabeefa1f20b8562268b3 (git); 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 through before 0e2021f49e64b3c8a9aa880d0c62a218bfe147ce (git); 2.6.12 Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.