CVE-2012-2136

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 09 Aug 2012, 10:00
Last modified:06 Aug 2024, 19:26

Vulnerability Summary

Overall Risk (default)
medium
39/100
CVSS Score
7.2 HIGH
v2.0 (nvd)
EPSS Score
0.08% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

09 Aug 2012, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 19:26
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.08%• Percentile: 23%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • linux•linux_kernel

    < 3.0.37 | ≥ 3.1, < 3.2.23 | ≥ 3.3, < 3.4.5

References (10)