Vulnerability Monitor

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CVE-2021-20265

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

Published

2021-03-10T16:15:16.610

Last Modified

2024-11-21T05:46:14.457

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

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

3.9

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-400
  • Type: Primary
    CWE-401
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel - Yes
Application oracle tekelec_platform_distribution ≤ 7.7.1 Yes
References