Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-25656

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.

Published

2020-12-02T01:15:12.607

Last Modified

2024-11-21T05:18:22.093

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.1 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:N/A:N

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

3.4

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-416
  • Type: Secondary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 5.10 Yes
Operating System linux linux_kernel 5.10 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
References