CVE-2017-13215

kernel: crypto: privilege escalation in skcipher_recvmsg function

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Severity

Important

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · January 2, 2018

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's skcipher component, which affects the skcipher_recvmsg function. Attackers using a specific input can lead to a privilege escalation.

Statement

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

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7, MRG-2 and real-time kernels.

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 · 5.3
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE-287 · Improper Authentication