Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2020-35508

Disclosure Date: March 26, 2021 •
CVE-2020-35508 CVSS v3 Base Score: 4.5
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.

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CVSS V3 Severity and Metrics
Base Score:
4.5 Medium
Impact Score:
3.4
Exploitability Score:
1
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
Low

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
kernel kernel 5.12
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • linux,
  • netapp,
  • redhat

Products

  • a700s firmware -,
  • aff a400 firmware -,
  • brocade fabric operating system firmware -,
  • enterprise linux 8.0,
  • fas8300 firmware -,
  • fas8700 firmware -,
  • h300e firmware -,
  • h300s firmware -,
  • h410c firmware -,
  • h410s firmware -,
  • h500e firmware -,
  • h500s firmware -,
  • h610c firmware -,
  • h610s firmware -,
  • h615c firmware -,
  • h700e firmware -,
  • h700s firmware -,
  • linux kernel,
  • linux kernel 5.12
Technical Analysis