CVE Database›Document archive›CVE-2017-2618

CVE-2017-2618

kernel: Off-by-one error in selinux_setprocattr (/proc/self/attr/fscreate)

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.0

Review impact separately from score.

Published · February 16, 2017

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

Statement

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 due to a missing commit ( bb646cdb12e75d82258c2f2e7746d5952d3e321a ) which enabled changed system behavior.

This issue does affect Red Hat Enteprise Linux 7 and MRG-2 kernels. A future Linux kernel updates for the respective releases may address this issue.

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 · 5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-193 · Off-by-one Error