{"cve":"CVE-2025-37966","nvd":{"published":"2025-05-20T17:15:47.020","modified":"2026-06-17T09:15:47.550","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/4b595a2f5656cd45d534ed2160c94f7662adefe5","https://git.kernel.org/stable/c/ae08d55807c099357c047dba17624b09414635dd"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:57.636215869+00:00"},"epss":{"cve":"CVE-2025-37966","score":0.0016,"percentile":0.05149,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}