CVE-2015-3636

CVE Details

Release Date:	2015-05-02
Impact:	Moderate	What is this?

Description

The ping_unhash function in net/ipv4/ping.c in the Linux kernel before4.0.3 does not initialize a certain list data structure during an unhash operation, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) by leveraging the ability to make a SOCK_DGRAM socket system call for the IPPROTO_ICMP or IPPROTO_ICMPV6 protocol, and then making a connect system call after a disconnect.

See more information about CVE-2015-3636 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.0
Vector String:	AV:L/AC:H/Au:S/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	High
Authentication:	Single
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2015-3049	2015-07-16
Oracle Linux version 6 (dtrace-modules-3.8.13-68.3.4.el6uek)	ELSA-2015-3048	2015-07-15
Oracle Linux version 6 (kernel)	ELSA-2015-1221	2015-07-14
Oracle Linux version 6 (kernel-uek)	ELSA-2015-3048	2015-07-15
Oracle Linux version 6 (kernel-uek)	ELSA-2015-3049	2015-07-16
Oracle Linux version 7 (dtrace-modules-3.8.13-68.3.4.el7uek)	ELSA-2015-3048	2015-07-15
Oracle Linux version 7 (kernel)	ELSA-2015-1534	2015-08-05
Oracle Linux version 7 (kernel-uek)	ELSA-2015-3048	2015-07-15
Oracle VM version 3.2 (kernel-uek)	OVMSA-2016-0037	2016-03-16
Oracle VM version 3.3 (kernel-uek)	OVMSA-2015-0094	2015-07-20