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CVE-2025-40358

kernel: Linux kernel (RISC-V): Information disclosure and denial of service in stacktrace

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Severity

Moderate

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · August 14, 2026

Description

A flaw was found in the Linux kernel's RISC-V stacktrace component. A local attacker with low privileges could exploit an out-of-bounds read vulnerability when unwinding the stack of a task other than the current one. This could lead to the disclosure of sensitive information or a system crash, resulting in a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-125 · Out-of-bounds Read