CVE-2012-2136

CVSS V2 High 7.2 CVSS V3 None
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.
Overview
  • CVE ID
  • CVE-2012-2136
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2012-08-09T10:29:46
  • Last Modified Date
  • 2023-02-13T04:33:23
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 3.4.4
cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
References
Reference URL Reference Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc
http://rhn.redhat.com/errata/RHSA-2012-0743.html
http://rhn.redhat.com/errata/RHSA-2012-1087.html
http://ubuntu.com/usn/usn-1529-1
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
http://www.securityfocus.com/bid/53721
http://www.ubuntu.com/usn/USN-1535-1
https://access.redhat.com/errata/RHSA-2012:0690
https://access.redhat.com/errata/RHSA-2012:0743
https://access.redhat.com/errata/RHSA-2012:1087
https://access.redhat.com/security/cve/CVE-2012-2136
https://bugzilla.redhat.com/show_bug.cgi?id=816289
https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc Exploit Patch
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2012-2136
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2136
History
Created Old Value New Value Data Type Notes
2022-05-10 10:47:11 Added to TrackCVE
2023-02-02 19:03:37 2023-02-02T18:15:39 CVE Modified Date updated
2023-02-02 19:03:38 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() Description updated
2023-02-02 19:03:45 References updated
2023-02-13 05:05:04 2023-02-13T04:33:23 CVE Modified Date updated
2023-02-13 05:05:05 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. Description updated