Description
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.
Scores
CVSS v3
5.5
EPSS
0.0011
EPSS Percentile
29.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-668
Status
published
Products (9)
linux/Kernel
6.13.0 - 6.14.7linux
Linux/Linux
< 6.13
Linux/Linux
09d6775f503b393d0457c7126aa43208e1724004 - 4b595a2f5656cd45d534ed2160c94f7662adefe5
Linux/Linux
09d6775f503b393d0457c7126aa43208e1724004 - ae08d55807c099357c047dba17624b09414635dd
Linux/Linux
6.13
Linux/Linux
6.14.7 - 6.14.*
Linux/Linux
6.15
linux/linux_kernel
6.15 rc1 (5 CPE variants)
linux/linux_kernel
6.13 - 6.14.7
Published
May 20, 2025
Tracked Since
Feb 18, 2026