Vulnerability in Linux

CVE-2025-40358

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]

EPSS: 0.002 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

  • Linux — versions 5d8544e2d0075a5f3c9a2cf27152354d54360da1, 4.15, 0

References

Frequently asked questions

What is CVE-2025-40358?
CVE-2025-40358 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2025-12-16.
How severe is CVE-2025-40358?
High severity. CVSS v3 base score is 7.1 out of 10.