CVE-2017-1000255

kernel: Arbitrary stack overwrite causing oops via crafted signal frame

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.0

Review impact separately from score.

Published · October 9, 2017

Updated · May 13, 2026

Description

A flaw was found in the Linux kernel's handling of signal frame on PowerPC systems. A malicious local user process could craft a signal frame allowing an attacker to corrupt memory.

Statement

This issue does not affect the Linux kernel and kernel-rt packages as shipped with Red Hat Enterprise Linux 5, 6, and 7.

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 3.0 · 6.1
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CWE-787 · Out-of-bounds Write