Cva6 Security Vulnerabilities - January

CVE-2022-33021

CVA6 commit 909d85a accesses invalid memory when reading the value of MHPMCOUNTER30.

CVE-2022-33023

CVA6 commit 909d85a gives incorrect permission to use special multiplication units when the format of instructions is wrong.

CVE-2022-34633

CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a executes crafted or incorrectly formatted sfence.vma instructions rather create an exception.

CVE-2022-34634

CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a executes crafted or incorrectly formatted det instructions rather create an exception.

CVE-2022-34635

The mstatus.sd field in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a does not update when the mstatus.fs field is set to Dirty.

CVE-2022-34636

CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a and RISCV-Boom commit ad64c5419151e5e886daee7084d8399713b46b4b implements the incorrect exception type when a PMA violation occurs during address translation.

CVE-2022-34637

CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a implements an incorrect exception type when an illegal virtual address is loaded.

CVE-2022-34639

CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a treats non-standard fence instructions as illegal which can affect the function of the application.

CVE-2022-34640

The *tval of ecall/ebreak in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a was discovered to be incorrect.

CVE-2022-34641

CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a and RISCV-Boom commit ad64c5419151e5e886daee7084d8399713b46b4b implements the incorrect exception type when a PMP violation occurs during address translation.