CVE-2015-3291

Low

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service (skipped NMI) by modifying the rsp register, issuing a syscall instruction, and triggering an NMI.

Package Linux Kernel
Published 2015-08-31
Last modified 2026-05-06
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

2.1

out of 10
Low
Attack Vector
Local
Attack Complexity
Low
Privileges Required
User Interaction
Scope
Confidentiality
Low
Integrity
None
Availability
Vector string
AV:L/AC:L/Au:N/C:N/I:N/A:P

Weakness type

CWE-17

CVE-2015-3291 is classified as CWE-17

See CWE-17 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2015-3291 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2015-3291?

    CVE-2015-3291 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 . CVE-2015-3291 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2015-3291?

    CVE-2015-3291 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:P .

  • Is there a patch available for CVE-2015-3291?

    No patch is currently available for CVE-2015-3291. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2015-3291 actively exploited?

    No — CVE-2015-3291 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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