CVE-2012-2136
Linux Kernel Sock Arbitrary Heap Overflow (Denial Of Service/Privilege Escalation)
Description
The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.
INFO
Published Date :
Aug. 9, 2012, 10:29 a.m.
Last Modified :
Nov. 21, 2024, 1:38 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
10.0
Exploitability Score :
3.9
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-2012-2136
.
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-2012-2136
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2012-2136
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=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc Added Reference http://rhn.redhat.com/errata/RHSA-2012-0743.html Added Reference http://rhn.redhat.com/errata/RHSA-2012-1087.html Added Reference http://secunia.com/advisories/50807 Added Reference http://ubuntu.com/usn/usn-1529-1 Added Reference http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5 Added Reference http://www.securityfocus.com/bid/53721 Added Reference http://www.ubuntu.com/usn/USN-1535-1 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=816289 Added Reference https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 12, 2023
Action Type Old Value New Value Changed Reference Type http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc No Types Assigned http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc Broken Link Changed Reference Type http://rhn.redhat.com/errata/RHSA-2012-0743.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2012-0743.html Third Party Advisory, VDB Entry Changed Reference Type http://rhn.redhat.com/errata/RHSA-2012-1087.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2012-1087.html Third Party Advisory Changed Reference Type http://secunia.com/advisories/50807 No Types Assigned http://secunia.com/advisories/50807 URL Repurposed Changed Reference Type http://ubuntu.com/usn/usn-1529-1 No Types Assigned http://ubuntu.com/usn/usn-1529-1 Third Party Advisory Changed Reference Type http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5 No Types Assigned http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5 Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/53721 No Types Assigned http://www.securityfocus.com/bid/53721 Third Party Advisory, VDB Entry Changed Reference Type http://www.ubuntu.com/usn/USN-1535-1 No Types Assigned http://www.ubuntu.com/usn/USN-1535-1 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=816289 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=816289 Issue Tracking Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 3.4.4 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.37 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.1 up to (excluding) 3.2.23 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.3 up to (excluding) 3.4.5 -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description CVE-2012-2136 kernel: net: insufficient data_len validation in sock_alloc_send_pskb() The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device. Removed CVSS V2 Red Hat, Inc. (AV:L/AC:H/Au:N/C:C/I:C/A:C) Removed Reference https://access.redhat.com/errata/RHSA-2012:0690 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2012:0743 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2012:1087 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2012-2136 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device. CVE-2012-2136 kernel: net: insufficient data_len validation in sock_alloc_send_pskb() Added CVSS V2 Red Hat, Inc. (AV:L/AC:H/Au:N/C:C/I:C/A:C) Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2012:0743 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2012:0690 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2012:1087 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2012-2136 [No Types Assigned] Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 09, 2012
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2012-2136
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-2012-2136
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