Linux Kernel EXT4 File System code

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel and classified as problematic. This issue affects some unknown processing of the component EXT4 File System. This manipulation causes denial of service. This vulnerability is registered as CVE-2015-0275. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (the affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown part of the component EXT4 File System. The manipulation with an unknown input leads to a code vulnerability. The CWE definition for the vulnerability is CWE-17. As an impact it is known to affect availability. The summary by CVE is:

The ext4_zero_range function in fs/ext4/extents.c in the Linux kernel before 4.1 allows local users to cause a denial of service (BUG) via a crafted fallocate zero-range request.

The weakness was published 02/23/2015 by Daniel Borkmann as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is known as CVE-2015-0275 since 11/18/2014. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84122 (Ubuntu 14.04 LTS : linux-lts-utopic vulnerabilities (USN-2635-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196139 (Ubuntu Security Notification for Linux-lts-vivid Vulnerabilities (USN-2636-1)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (101020), Tenable (84122), SecurityFocus (BID 72356†) and Vulnerability Center (SBV-52816†). Similar entry is available at VDB-69034. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.4

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code
CWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84122
Nessus Name: Ubuntu 14.04 LTS : linux-lts-utopic vulnerabilities (USN-2635-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 800909
OpenVAS Name: Fedora Update for kernel FEDORA-2015-5024
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

11/18/2014 🔍
01/29/2015 +72 days 🔍
02/23/2015 +25 days 🔍
02/25/2015 +2 days 🔍
03/10/2015 +13 days 🔍
06/11/2015 +93 days 🔍
09/20/2015 +101 days 🔍
10/19/2015 +29 days 🔍
03/10/2022 +2334 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-2635-1
Researcher: Daniel Borkmann
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0275 (🔍)
GCVE (CVE): GCVE-0-2015-0275
GCVE (VulDB): GCVE-100-69205
X-Force: 101020 - Linux Kernel EXT4 filesystem denial of service
SecurityFocus: 72356 - Linux Kernel CVE-2015-1421 Local Denial of Service Vulnerability
SecurityTracker: 1034454
Vulnerability Center: 52816 - Linux Kernel Local DoS in the EXT4 File System, Medium

See also: 🔍

Entryinfo

Created: 02/25/2015 10:41
Updated: 03/10/2022 15:54
Changes: 02/25/2015 10:41 (62), 01/02/2018 09:56 (14), 03/10/2022 15:43 (5), 03/10/2022 15:48 (1), 03/10/2022 15:54 (2)
Complete: 🔍
Cache ID: 216:826:103

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