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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.

PUBLISHED Reserved 2025-04-16 | Published 2025-05-20 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

09d6775f503b393d0457c7126aa43208e1724004 (git) before 4b595a2f5656cd45d534ed2160c94f7662adefe5
affected

09d6775f503b393d0457c7126aa43208e1724004 (git) before ae08d55807c099357c047dba17624b09414635dd
affected

Default status
affected

6.13
affected

Any version before 6.13
unaffected

6.14.7 (semver)
unaffected

6.15 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/4b595a2f5656cd45d534ed2160c94f7662adefe5

git.kernel.org/...c/ae08d55807c099357c047dba17624b09414635dd

cve.org (CVE-2025-37966)

nvd.nist.gov (CVE-2025-37966)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.