5.1
MEDIUM
CVE-2015-8839
Linux ext4 Filesystem Denial of Service (DoS) and Disk Corruption
Description

Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.

INFO

Published Date :

May 2, 2016, 10:59 a.m.

Last Modified :

Oct. 2, 2020, 2:56 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.4
Public PoC/Exploit Available at Github

CVE-2015-8839 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2015-8839 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Canonical ubuntu_linux
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 1 month, 1 week ago
9 stars 1 fork 1 watcher
Born at : Aug. 30, 2017, 2:37 p.m. This repo has been linked 1269 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-8839 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-8839 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 02, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/04/01/4 No Types Assigned http://www.openwall.com/lists/oss-security/2016/04/01/4 Mailing List, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/85798 No Types Assigned http://www.securityfocus.com/bid/85798 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1035455 No Types Assigned http://www.securitytracker.com/id/1035455 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.ubuntu.com/usn/USN-3005-1 No Types Assigned http://www.ubuntu.com/usn/USN-3005-1 Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/USN-3006-1 No Types Assigned http://www.ubuntu.com/usn/USN-3006-1 Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/USN-3007-1 No Types Assigned http://www.ubuntu.com/usn/USN-3007-1 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1842 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2077 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2669 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1323577 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1323577 Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b Vendor Advisory https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.5.0:rc7:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.4.221 *cpe:2.3:o:linux:linux_kernel:4.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.5:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.5:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.5:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.5:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.5:rc7:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 10, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2017:2077 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:1842 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 31, 2017

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2017:2669 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 03, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1035455 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/85798 [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 28, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.5.0:rc7:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.5.0:rc7:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1323577 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1323577 Issue Tracking
  • CVE Modified by [email protected]

    Jul. 27, 2016

    Action Type Old Value New Value
    Added Reference http://www.ubuntu.com/usn/USN-3007-1
    Added Reference http://www.ubuntu.com/usn/USN-3005-1
    Added Reference http://www.ubuntu.com/usn/USN-3006-1
  • Modified Analysis by [email protected]

    May. 04, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.5.0:rc7:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b No Types Assigned https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b Advisory
    Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b Advisory
    Added CWE CWE-362
  • Initial Analysis by [email protected]

    May. 04, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-8839 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-8839 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} 0.03%

score

0.49924

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability