CVEvulnerability

CVE-2021-20265

5.5 MEDIUM Published 2021-03-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-03-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-400, CWE-401

Description

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.

Affected configurations

• linux linux kernel • oracle tekelec platform distribution (>= 7.4.0 <= 7.7.1)

Related

Weakness · CWE (2)

  • CWE-400 Uncontrolled Resource Consumption weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime weakness

References