CVE-2017-8824

Impact:
Important
Public Date:
2017-12-05
CWE:
CWE-416
Bugzilla:
1519591: CVE-2017-8824 kernel: Use-after-free vulnerability in DCCP socket
A use-after-free vulnerability was found in DCCP socket code affecting the Linux kernel since 2.6.16. This vulnerability could allow an attacker to their escalate privileges.

Find out more about CVE-2017-8824 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7, Red Hat Enterprise MRG 2 and real-time kernels. Future updates for the respective releases may address this issue.

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 for ARM and Red Hat Enterprise Linux 7 for Power LE.

CVSS v3 metrics

CVSS3 Base Score 7.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (kernel) RHSA-2018:1062 2018-04-10
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2018:1170 2018-04-17
Red Hat Enterprise Linux Extended Update Support 7.4 (kernel) RHSA-2018:1130 2018-04-17
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2018:0676 2018-04-10
Red Hat Enterprise Linux Extended Update Support 7.3 (kernel) RHSA-2018:0399 2018-03-06

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 7 kernel-alt Not affected
Red Hat Enterprise Linux 6 kernel Affected
Red Hat Enterprise Linux 5 kernel Affected

Acknowledgements

Red Hat would like to thank Mohamed Ghannam for reporting this issue.

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