Vulnerability Details CVE-2025-37966
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.4%
CVSS Severity
CVSS v3 Score 5.5
References
Products affected by CVE-2025-37966
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cpe:2.3:o:linux:linux_kernel:6.13
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cpe:2.3:o:linux:linux_kernel:6.13.1
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cpe:2.3:o:linux:linux_kernel:6.13.10
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cpe:2.3:o:linux:linux_kernel:6.13.11
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cpe:2.3:o:linux:linux_kernel:6.13.12
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cpe:2.3:o:linux:linux_kernel:6.13.2
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cpe:2.3:o:linux:linux_kernel:6.13.3
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cpe:2.3:o:linux:linux_kernel:6.13.4
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cpe:2.3:o:linux:linux_kernel:6.13.5
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cpe:2.3:o:linux:linux_kernel:6.13.6
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cpe:2.3:o:linux:linux_kernel:6.13.7
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cpe:2.3:o:linux:linux_kernel:6.13.8
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cpe:2.3:o:linux:linux_kernel:6.13.9
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cpe:2.3:o:linux:linux_kernel:6.14
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cpe:2.3:o:linux:linux_kernel:6.14.1
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cpe:2.3:o:linux:linux_kernel:6.14.2
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cpe:2.3:o:linux:linux_kernel:6.14.3
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cpe:2.3:o:linux:linux_kernel:6.14.4
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cpe:2.3:o:linux:linux_kernel:6.14.5
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cpe:2.3:o:linux:linux_kernel:6.14.6
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cpe:2.3:o:linux:linux_kernel:6.15