CVE-2025-37966
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-37966
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37966.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-37966
- Downstream
- Published
- 2025-05-20T17:15:47Z
- Modified
- 2025-08-30T18:00:21Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
riscv: Fix kernel crash due to PRSETTAGGEDADDRCTRL
When userspace does PRSETTAGGEDADDRCTRL, but Supm extension is not available, the kernel crashes:
Oops - illegal instruction [#1] [snip] epc : settaggedaddrctrl+0x112/0x15a ra : settaggedaddrctrl+0x74/0x15a epc : ffffffff80011ace ra : ffffffff80011a30 sp : ffffffc60039be10 [snip] status: 0000000200000120 badaddr: 0000000010a79073 cause: 0000000000000002 settaggedaddrctrl+0x112/0x15a _riscvsysprctl+0x352/0x73c dotrapecallu+0x17c/0x20c andleexception+0x150/0x15c
Fix it by checking if Supm is available.
- References