CVE-2025-40358

Summary

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]

Affected Software

VendorProductVersion RangeStatus
LinuxLinux5d8544e2d0075a5f3c9a2cf27152354d54360da1 < ef4d626ac59a56f8ec5cc09c1fef26f2923eec6faffected
LinuxLinux5d8544e2d0075a5f3c9a2cf27152354d54360da1 < f34ba22989da61186f30a40b6a82e0b3337b96fcaffected
LinuxLinux5d8544e2d0075a5f3c9a2cf27152354d54360da1 < 27379fcc15a10d3e3780fe79ba3fc7ed1ccd78e2affected
LinuxLinux5d8544e2d0075a5f3c9a2cf27152354d54360da1 < 2c8d2b53866fb229b438296526ef0fa5a990e5e5affected
LinuxLinux5d8544e2d0075a5f3c9a2cf27152354d54360da1 < 060ea84a484e852b52b938f234bf9b5503a6c910affected
LinuxLinux4.15affected
LinuxLinux0 < 4.15unaffected
LinuxLinux6.1.167 <= 6.1.*unaffected
LinuxLinux6.6.117 <= 6.6.*unaffected
LinuxLinux6.12.58 <= 6.12.*unaffected
LinuxLinux6.17.8 <= 6.17.*unaffected
LinuxLinux6.18 <= *unaffected

Weaknesses

References