Unrated severityNVD Advisory· Published Dec 16, 2025· Updated Apr 15, 2026
CVE-2025-40358
CVE-2025-40358
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
[pjw@kernel.org: clean up checkpatch issues]
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Affected products
3Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/060ea84a484e852b52b938f234bf9b5503a6c910nvd
- git.kernel.org/stable/c/27379fcc15a10d3e3780fe79ba3fc7ed1ccd78e2nvd
- git.kernel.org/stable/c/2c8d2b53866fb229b438296526ef0fa5a990e5e5nvd
- git.kernel.org/stable/c/ef4d626ac59a56f8ec5cc09c1fef26f2923eec6fnvd
- git.kernel.org/stable/c/f34ba22989da61186f30a40b6a82e0b3337b96fcnvd
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