CVE-2017-1000371

Impact:
Low
Public Date:
2017-06-19
CWE:
CWE-20
Bugzilla:
1462158: CVE-2017-1000371 kernel: offset2lib allows for the stack guard page to be jumped over
A flaw was found in the Linux kernel's implementation of mapping ELF PIE binary loading to allow evasion of the stack-guard page protection mechanisms that intend to mitigate this behavior.

Find out more about CVE-2017-1000371 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the Linux kernel packages as shipped with Red Hat
Enterprise Linux 7, MRG-2 and realtime kernels.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6.
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 Not affected
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 7 kernel-rt Under investigation
Red Hat Enterprise Linux 7 kernel-alt Affected
Red Hat Enterprise Linux 6 kernel Affected
Red Hat Enterprise Linux 5 kernel Will not fix

Acknowledgements

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

External References

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