2.1
LOW
CVE-2013-2141
Linux Kernel tkill/tgkill Information Leak
Description

The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.

INFO

Published Date :

June 7, 2013, 2:03 p.m.

Last Modified :

Nov. 21, 2024, 1:51 a.m.

Remotely Exploitable :

No

Impact Score :

2.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2013-2141 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
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2013-2141.

URL Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://rhn.redhat.com/errata/RHSA-2013-1801.html
http://secunia.com/advisories/55055
http://www.debian.org/security/2013/dsa-2766
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/06/04/10
http://www.ubuntu.com/usn/USN-1899-1
http://www.ubuntu.com/usn/USN-1900-1
https://bugzilla.redhat.com/show_bug.cgi?id=970873
https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f Exploit Patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://rhn.redhat.com/errata/RHSA-2013-1801.html
http://secunia.com/advisories/55055
http://www.debian.org/security/2013/dsa-2766
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/06/04/10
http://www.ubuntu.com/usn/USN-1899-1
http://www.ubuntu.com/usn/USN-1900-1
https://bugzilla.redhat.com/show_bug.cgi?id=970873
https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f Exploit Patch

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).

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

The following list is the news that have been mention CVE-2013-2141 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2013-2141 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
    Added Reference http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1801.html
    Added Reference http://secunia.com/advisories/55055
    Added Reference http://www.debian.org/security/2013/dsa-2766
    Added Reference http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
    Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
    Added Reference http://www.openwall.com/lists/oss-security/2013/06/04/10
    Added Reference http://www.ubuntu.com/usn/USN-1899-1
    Added Reference http://www.ubuntu.com/usn/USN-1900-1
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=970873
    Added Reference https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description CVE-2013-2141 Kernel: signal: information leak in tkill/tgkill The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.
    Removed CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Removed Reference https://access.redhat.com/errata/RHSA-2013:1264 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2013:1292 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2013:1801 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2013-2141 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call. CVE-2013-2141 Kernel: signal: information leak in tkill/tgkill
    Added CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f [Exploit, Patch]
    Added Reference https://access.redhat.com/errata/RHSA-2013:1292 [No Types Assigned]
    Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2013-2141 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2013:1801 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2013:1264 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 09, 2018

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1801.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 07, 2013

    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-2013-2141 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-2013-2141 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability