Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL When userspace does PR_SET_TAGGED_ADDR_CTRL, but Supm extension is not available, the kernel crashes: Oops - illegal instruction [#1] [snip] epc : set_tagged_addr_ctrl+0x112/0x15a ra : set_tagged_addr_ctrl+0x74/0x15a epc : ffffffff80011ace ra : ffffffff80011a30 sp : ffffffc60039be10 [snip] status: 0000000200000120 badaddr: 0000000010a79073 cause: 0000000000000002 set_tagged_addr_ctrl+0x112/0x15a __riscv_sys_prctl+0x352/0x73c do_trap_ecall_u+0x17c/0x20c andle_exception+0x150/0x15c Fix it by checking if Supm is available.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 09d6775f503b393d0457c7126aa43208e1724004 before 4b595a2f5656cd45d534ed2160c94f7662adefe5; affected 09d6775f503b393d0457c7126aa43208e1724004 before ae08d55807c099357c047dba17624b09414635dd |
| Linux / Linux | affected 6.13; unaffected 0 before 6.13; unaffected 6.14.7 through 6.14.*; unaffected 6.15 through * |
CWE
No CWE identifiers supplied.