CVE-2017-14340

Impact:
Moderate
Public Date:
2017-09-13
CWE:
CWE-391
Bugzilla:
1491344: CVE-2017-14340 kernel: xfs: unprivileged user kernel oops
A flaw was found where the XFS filesystem code mishandles a user-settable inode flag in the Linux kernel prior to 4.14-rc1. This can cause a local denial of service via a kernel panic.

Find out more about CVE-2017-14340 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 as the code with the flaw is not built in these products due to theirs build configuration.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux MRG-2. Future updates for the respective releases may address this issue.

CVSS v3 metrics

CVSS3 Base Score 5.5
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2017:2918 2017-10-19

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 7 kernel-rt Not affected
Red Hat Enterprise Linux 7 kernel-alt Not affected
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Acknowledgements

This issue was discovered by Dave Chinner (Red Hat).

External References

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