CVE-2017-1000365

Impact:
Low
Public Date:
2017-06-19
CWE:
CWE-20
Bugzilla:
1462147: CVE-2017-1000365 kernel: RLIMIT_STACK/RLIMIT_INFINITY string size limitation bypass
The Linux Kernel imposes a size restriction on the arguments and environmental strings passed through RLIMIT_STACK/RLIMIT_INFINITY, but does not take the argument and environment pointers into account, which allows attackers to bypass this limitation.

Find out more about CVE-2017-1000365 from the MITRE CVE dictionary dictionary and NIST NVD.

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 v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 2.9
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact Low
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 7 realtime-kernel Affected
Red Hat Enterprise Linux 7 kernel Affected
Red Hat Enterprise Linux 7 kernel-rt Affected
Red Hat Enterprise Linux 7 kernel-alt Affected
Red Hat Enterprise Linux 6 kernel Affected
Red Hat Enterprise Linux 5 kernel Affected

Acknowledgements

Red Hat would like to thank Qualys Inc. for reporting this issue.

Mitigation

External References

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