CVEvulnerability
CVE-2025-40358
7.1 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2025-12-16
- Last modified
- 2026-10-14
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Description
In the Linux kernel, the following vulnerability has been resolved:
riscv: stacktrace: Disable KASAN checks for non-current tasks
Unwinding the stack of a task other than current, KASAN would report
"BUG: KASAN: out-of-bounds in walk_stackframe+0x41c/0x460"
There is a same issue on x86 and has been resolved by the commit
84936118bdf3 ("x86/unwind: Disable KASAN checks for non-current tasks")
The solution could be applied to RISC-V too.
This patch also can solve the issue:
https://seclists.org/oss-sec/2025/q4/23
[[email protected]: clean up checkpatch issues]
References
- https://git.kernel.org/stable/c/060ea84a484e852b52b938f234bf9b5503a6c910 git.kernel.org
- https://git.kernel.org/stable/c/27379fcc15a10d3e3780fe79ba3fc7ed1ccd78e2 git.kernel.org
- https://git.kernel.org/stable/c/2c8d2b53866fb229b438296526ef0fa5a990e5e5 git.kernel.org
- https://git.kernel.org/stable/c/ef4d626ac59a56f8ec5cc09c1fef26f2923eec6f git.kernel.org
- https://git.kernel.org/stable/c/f34ba22989da61186f30a40b6a82e0b3337b96fc git.kernel.org