CVE-2015-2686 Detail

Current Description

net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea
http://grsecurity.net/~spender/viro.txt
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3
http://www.openwall.com/lists/oss-security/2015/03/23/14
http://www.securityfocus.com/bid/73286
https://bugzilla.redhat.com/show_bug.cgi?id=1205242
https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-2686
NVD Published Date:
05/02/2016
NVD Last Modified:
06/27/2016
Source:
MITRE