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CVE-2017-1000112

kernel: Exploitable memory corruption due to UFO to non-UFO path switch

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Severity

Important

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · August 10, 2017

Updated · June 28, 2026

Description

An exploitable memory corruption flaw was found in the Linux kernel. The append path can be erroneously switched from UFO to non-UFO in ip_ufo_append_data() when building an UFO packet with MSG_MORE option. If unprivileged user namespaces are available, this flaw can be exploited to gain root privileges.

Statement

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5,6, 7 and MRG-2.

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 · 7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-122 · Heap-based Buffer Overflow