fkie_cve-2025-37966
Vulnerability from fkie_nvd
Published
2025-05-20 17:15
Modified
2025-05-21 20:24
Severity ?
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b595a2f5656cd45d534ed2160c94f7662adefe5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae08d55807c099357c047dba17624b09414635dd
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL\n\nWhen userspace does PR_SET_TAGGED_ADDR_CTRL, but Supm extension is not\navailable, the kernel crashes:\n\nOops - illegal instruction [#1]\n    [snip]\nepc : set_tagged_addr_ctrl+0x112/0x15a\n ra : set_tagged_addr_ctrl+0x74/0x15a\nepc : ffffffff80011ace ra : ffffffff80011a30 sp : ffffffc60039be10\n    [snip]\nstatus: 0000000200000120 badaddr: 0000000010a79073 cause: 0000000000000002\n    set_tagged_addr_ctrl+0x112/0x15a\n    __riscv_sys_prctl+0x352/0x73c\n    do_trap_ecall_u+0x17c/0x20c\n    andle_exception+0x150/0x15c\n\nFix it by checking if Supm is available."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: riscv: Se corrige el fallo del kernel debido a PR_SET_TAGGED_ADDR_CTRL Cuando el espacio de usuario realiza PR_SET_TAGGED_ADDR_CTRL, pero la extensi\u00f3n Supm no est\u00e1 disponible, el kernel se bloquea: Oops - instrucci\u00f3n ilegal [#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: 00000000000000002 set_tagged_addr_ctrl+0x112/0x15a __riscv_sys_prctl+0x352/0x73c do_trap_ecall_u+0x17c/0x20c andle_exception+0x150/0x15c Corr\u00edjalo verificando si Supm est\u00e1 disponible."
    }
  ],
  "id": "CVE-2025-37966",
  "lastModified": "2025-05-21T20:24:58.133",
  "metrics": {},
  "published": "2025-05-20T17:15:47.020",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4b595a2f5656cd45d534ed2160c94f7662adefe5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ae08d55807c099357c047dba17624b09414635dd"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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