Vulnerability Details : CVE-2013-2141
Potential exploit
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.
Products affected by CVE-2013-2141
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.5:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.7:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.8.6:*:*:*:*:*:*:*
Threat overview for CVE-2013-2141
Top countries where our scanners detected CVE-2013-2141
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2013-2141 3,745
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2013-2141!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2013-2141
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-2141
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2013-2141
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-2141
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http://www.debian.org/security/2013/dsa-2766
Debian -- Security Information -- DSA-2766-1 linux-2.6
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https://bugzilla.redhat.com/show_bug.cgi?id=970873
970873 – (CVE-2013-2141) CVE-2013-2141 Kernel: signal: information leak in tkill/tgkill
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https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
kernel/signal.c: stop info leak via the tkill and the tgkill syscalls · torvalds/linux@b9e146d · GitHubExploit;Patch
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http://www.ubuntu.com/usn/USN-1900-1
USN-1900-1: Linux kernel (EC2) vulnerabilities | Ubuntu security notices
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
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http://rhn.redhat.com/errata/RHSA-2013-1801.html
RHSA-2013:1801 - Security Advisory - Red Hat Customer Portal
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http://www.openwall.com/lists/oss-security/2013/06/04/10
oss-security - Re: CVE Request: kernel info leak in tkill/tgkill
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http://www.ubuntu.com/usn/USN-1899-1
USN-1899-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
mandriva.com
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
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http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
openSUSE-SU-2013:1971-1: moderate: kernel: security and bugfix update
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