CVE-2016-9685

kernel: Memory leaks in xfs_attr_list.c error paths

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Multiple memory leaks in error paths in fs/xfs/xfs_attr_list.c in the Linux kernel before 4.5.1 allow local users to cause a denial of service (memory consumption) via crafted XFS filesystem operations.

Múltiples fugas de memoria en rutas de error en fs/xfs/xfs_attr_list.c en el kernel de Linux en versiones anteriores a 4.5.1 permiten a usuarios locales provocar una denegación de servicio (consumo de memoria) a través de operaciones de archivo de sistema XFS manipuladas.

A flaw was found in the Linux kernel's implementation of XFS file attributes. Two memory leaks were detected in xfs_attr_shortform_list and xfs_attr3_leaf_list_int when running a docker container backed by xfs/overlay2. A dedicated attacker could possible exhaust all memory and create a denial of service situation.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-11-30 CVE Reserved
2016-12-28 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-772: Missing Release of Resource after Effective Lifetime

CAPEC

References (10)

URL	Tag	Source
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1	Release Notes
http://www.securityfocus.com/bid/94593	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e83b79b2d6c78bf1b4aa227938a214dcbddc83f	2018-01-05
http://www.openwall.com/lists/oss-security/2016/11/30/1	2018-01-05
https://github.com/torvalds/linux/commit/2e83b79b2d6c78bf1b4aa227938a214dcbddc83f	2018-01-05

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2017:1842	2018-01-05
https://access.redhat.com/errata/RHSA-2017:2077	2018-01-05
https://access.redhat.com/errata/RHSA-2017:2669	2018-01-05
https://bugzilla.redhat.com/show_bug.cgi?id=1396941	2017-09-06
https://access.redhat.com/security/cve/CVE-2016-9685	2017-09-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				<= 4.5.0 Search vendor "Linux" for product "Linux Kernel" and version " <= 4.5.0"		-		Affected