Vulnerability Monitor

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CVE-2015-5364

The (1) udp_recvmsg and (2) udpv6_recvmsg functions in the Linux kernel before 4.0.6 do not properly consider yielding a processor, which allows remote attackers to cause a denial of service (system hang) via incorrect checksums within a UDP packet flood.

Security Impact Summary

CVE-2015-5364 is a security vulnerability that . Impacting 4 products from linux, from redhat, from debian and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-08-31T10:59:12.817

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.2.70	Yes
Operating System	linux	linux_kernel	< 3.4.109	Yes
Operating System	linux	linux_kernel	< 3.10.81	Yes
Operating System	linux	linux_kernel	< 3.12.44	Yes
Operating System	linux	linux_kernel	< 3.14.45	Yes
Operating System	linux	linux_kernel	< 3.16.35	Yes
Operating System	linux	linux_kernel	< 3.18.17	Yes
Operating System	linux	linux_kernel	< 4.0.6	Yes
Operating System	redhat	enterprise_linux_server_aus	6.5	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=beb39db59d14990e401e235faf66a6b9b31240b0 Vendor Advisory ([email protected])
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00010.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1623.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1778.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1787.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-0045.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-1096.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-1100.html Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3313 Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3329 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/06/30/13 Mailing List, Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/75510 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032794 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2680-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2681-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2682-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2683-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2684-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2713-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2714-1 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2016:1225 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1239029 Issue Tracking ([email protected])
https://github.com/torvalds/linux/commit/beb39db59d14990e401e235faf66a6b9b31240b0 Third Party Advisory ([email protected])
https://twitter.com/grsecurity/status/605854034260426753 Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=beb39db59d14990e401e235faf66a6b9b31240b0 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00010.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1623.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1778.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1787.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-0045.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-1096.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-1100.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3313 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3329 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/06/30/13 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75510 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032794 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2680-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2681-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2682-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2683-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2684-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2713-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2714-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2016:1225 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1239029 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/beb39db59d14990e401e235faf66a6b9b31240b0 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/grsecurity/status/605854034260426753 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.