CVE-2025-37966
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-37966
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37966.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-37966
- Downstream
- Published
- 2025-05-20T16:47:14Z
- Modified
- 2025-10-18T01:19:10.536630Z
- Summary
- riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL
- 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
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced09d6775f503b393d0457c7126aa43208e1724004Fixed4b595a2f5656cd45d534ed2160c94f7662adefe5
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced09d6775f503b393d0457c7126aa43208e1724004Fixedae08d55807c099357c047dba17624b09414635dd
Affected versions
v6.*
v6.12
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.14
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.14-rc5
v6.14-rc6
v6.14-rc7
v6.14.1
v6.14.2
v6.14.3
v6.14.4
v6.14.5
v6.14.6
v6.15-rc1
v6.15-rc2
v6.15-rc3
v6.15-rc4
v6.15-rc5
Database specific
vanir_signatures
[
{
"signature_version": "v1",
"deprecated": false,
"id": "CVE-2025-37966-3218a100",
"digest": {
"length": 1052.0,
"function_hash": "19020506546864500460943886427452634540"
},
"target": {
"function": "set_tagged_addr_ctrl",
"file": "arch/riscv/kernel/process.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ae08d55807c099357c047dba17624b09414635dd",
"signature_type": "Function"
},
{
"signature_version": "v1",
"deprecated": false,
"id": "CVE-2025-37966-5cc96e8e",
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
},
"target": {
"file": "arch/riscv/kernel/process.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4b595a2f5656cd45d534ed2160c94f7662adefe5",
"signature_type": "Line"
},
{
"signature_version": "v1",
"deprecated": false,
"id": "CVE-2025-37966-6c1e0f43",
"digest": {
"threshold": 0.9,
"line_hashes": [
"245596477474971666354499232271878470252",
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]
},
"target": {
"file": "arch/riscv/kernel/process.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ae08d55807c099357c047dba17624b09414635dd",
"signature_type": "Line"
},
{
"signature_version": "v1",
"deprecated": false,
"id": "CVE-2025-37966-fa3126a7",
"digest": {
"length": 1052.0,
"function_hash": "19020506546864500460943886427452634540"
},
"target": {
"function": "set_tagged_addr_ctrl",
"file": "arch/riscv/kernel/process.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4b595a2f5656cd45d534ed2160c94f7662adefe5",
"signature_type": "Function"
}
]