CVE-2015-5364

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 23.61% Top 5%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html mailing list third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=beb39db59d14990e401e235faf66a6b9b31240b0 vendor advisory
http://www.ubuntu.com/usn/USN-2713-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2680-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2682-1 third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1778.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2714-1 third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1096.html third party advisory vendor advisory
https://twitter.com/grsecurity/status/605854034260426753 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html mailing list third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3329 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/06/30/13 third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1239029 issue tracking
http://rhn.redhat.com/errata/RHSA-2015-1787.html third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html third party advisory
http://www.securitytracker.com/id/1032794 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2684-1 third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3313 third party advisory vendor advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 third party advisory
http://www.ubuntu.com/usn/USN-2681-1 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0045.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2683-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00010.html mailing list third party advisory vendor advisory
http://www.securityfocus.com/bid/75510 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2016:1225 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1100.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1623.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html mailing list third party advisory vendor advisory
https://github.com/torvalds/linux/commit/beb39db59d14990e401e235faf66a6b9b31240b0 third party advisory

Frequently Asked Questions

What is the severity of CVE-2015-5364?
CVE-2015-5364 has been scored as a high severity vulnerability.
How to fix CVE-2015-5364?
To fix CVE-2015-5364, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5364 being actively exploited in the wild?
It is possible that CVE-2015-5364 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~24% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.