CVE-2017-6074

Advisory lineage Upstream: 0 Downstream: 32
Modified
Published: 18 Feb 2017, 21:40
Last modified:05 Aug 2024, 15:18

Vulnerability Summary

Overall Risk (default)
medium
45/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
20.04% HIGH
20% probability -2.38%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

18 Feb 2017, 21:40
Published
Vulnerability first disclosed
05 Aug 2024, 15:18
Last Modified
Vulnerability information updated

Description

The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt system call.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 20.04%• Percentile: 96%

Techniques & Countermeasures

  • CWE-415•Double Free

    The product calls free() twice on the same memory address.

Affected Systems

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    < 3.2.86 | ≥ 3.3, < 3.10.106 | ≥ 3.11, < 3.12.71 | ≥ 3.13, < 3.16.41 | ≥ 3.17, < 3.18.49 | ≥ 3.19, < 4.1.41 | ≥ 4.2, < 4.4.52 | ≥ 4.5, < 4.9.13

References (25)