CVE-2020-35508 (Medium) detected in linuxlinux-4.19.239

[mend-bolt-for-github]

CVE-2020-35508 - Medium Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.239

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 8b7c061438f230c475fd8cd97a0917f6ebb9fbe0

Found in base branch: master

Vulnerable Source Files (1)

/kernel/fork.c

Vulnerability Details

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.

Publish Date: 2021-03-26

URL: CVE-2020-35508

CVSS 3 Score Details (4.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Local
  • Attack Complexity: High
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2020-35508

Release Date: 2021-03-26

Fix Resolution: v4.4.242, v4.9.242, v4.14.205, v4.19.156, v5.4.76, v5.9.7, v5.10-rc3

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