CVE-2015-5366

Medium

The (1) udp_recvmsg and (2) udpv6_recvmsg functions in the Linux kernel before 4.0.6 provide inappropriate -EAGAIN return values, which allows remote attackers to cause a denial of service (EPOLLET epoll application read outage) via an incorrect checksum in a UDP packet, a different vulnerability than CVE-2015-5364.

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

CVSS 2.0 score

5.0

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

Weakness type

CWE-399

CVE-2015-5366 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2015-5366 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-2015-5366?

    CVE-2015-5366 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10 . CVE-2015-5366 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2015-5366?

    CVE-2015-5366 has a CVSS score of 5.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:P .

  • Is there a patch available for CVE-2015-5366?

    No patch is currently available for CVE-2015-5366. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2015-5366 actively exploited?

    No — CVE-2015-5366 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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