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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-37966

riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 09d6775f503b393d0457c7126aa43208e1724004 to < 4b595a2f5656cd45d534ed2160c94f7662adefe5affected
  • 09d6775f503b393d0457c7126aa43208e1724004 to < ae08d55807c099357c047dba17624b09414635ddaffected

Linux Linux

Default version status: affected

  • 6.13affected
  • 0 to < 6.13unaffected
  • 6.14.7 to ≤ 6.14.*unaffected
  • 6.15 to ≤ *unaffected

References