CVE-2026-43171

The CVE-2026-43171 described affects the Linux kernel EFI/CPER component where cper_print_fw_err() does not validate the error-record length against the given offset, allowing an underflow that can cause dumping of large memory regions. Consequences include potential data disclosure and system in...

CVE-2026-43171 EFI/CPER: don't dump the entire memory region

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: don't dump the entire memory region The current logic at cperprintfwerr doesn't check if the error record length is big enough to handle offset. On a bad firmware, if the ofset is above the actual record, length -= offs...