Vulnerability Monitor

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CVE-2020-27825

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

Published

2020-12-11T19:15:12.607

Last Modified

2024-11-21T05:21:53.023

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.7 (MEDIUM)

CVSSv2 Vector

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

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

3.4

Impact Score

7.8

Weaknesses
  • Type: Secondary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
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 redhat enterprise_mrg 2.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Application netapp cloud_backup - Yes
Operating System netapp solidfire_baseboard_management_controller_firmware - Yes
Hardware netapp solidfire_baseboard_management_controller - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
References