CVE-2015-7236

Publication date 18 September 2015

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Use-after-free vulnerability in xprt_set_caller in rpcb_svc_com.c in rpcbind 0.2.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via crafted packets, involving a PMAP_CALLIT code.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rpcbind	15.04 vivid	Fixed 0.2.1-6ubuntu3.1
	14.04 LTS trusty	Fixed 0.2.1-2ubuntu2.2
	12.04 LTS precise	Fixed 0.2.0-7ubuntu1.3

Notes

tyhicks

As of 9-18-2015, the proposed fix has not been reviewed by upstream.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
rpcbind	Other: http://www.spinics.net/lists/linux-nfs/msg53045.html

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2756-1
rpcbind vulnerability
30 September 2015