SB20200408101 - Fedora 30 update for kernel, kernel-headers, kernel-tools

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Main Vulnerability Database SB20200408101

SB20200408101 - Fedora 30 update for kernel, kernel-headers, kernel-tools

Published: April 8, 2020 Updated: April 25, 2025

Security Bulletin ID SB20200408101
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2019-19769)

The vulnerability allows a local privileged user to execute arbitrary code.

In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (related to include/trace/events/lock.h).


2) Buffer overflow (CVE-ID: CVE-2020-8835)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in bpf verifier for 32 bit systems in Linux kernel. A local user can rigger a buffer overflow and gain access to sensitive information or execute arbitrary code on the system with elevated privileges.


Remediation

Install update from vendor's website.

References