ghsa-w7gq-mpq5-98vw
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-05-20 18:30
VLAI Severity ?
Details
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": [], "aliases": [ "CVE-2025-37966" ], "database_specific": { "cwe_ids": [], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2025-05-20T17:15:47Z", "severity": null }, "details": "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.", "id": "GHSA-w7gq-mpq5-98vw", "modified": "2025-05-20T18:30:57Z", "published": "2025-05-20T18:30:57Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37966" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/4b595a2f5656cd45d534ed2160c94f7662adefe5" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/ae08d55807c099357c047dba17624b09414635dd" } ], "schema_version": "1.4.0", "severity": [] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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