SB2021031828 - Fedora 33 update for kernel, kernel-headers, kernel-tools

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Main Vulnerability Database SB2021031828

SB2021031828 - Fedora 33 update for kernel, kernel-headers, kernel-tools

Published: March 18, 2021

Security Bulletin ID SB2021031828
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) Missing authorization (CVE-ID: CVE-2021-28375)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to missing authorization error within the fastrpc_internal_invoke() function in drivers/misc/fastrpc.c. A local user can execute arbitrary code.


2) Out-of-bounds write (CVE-ID: CVE-2021-28660)

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the "rtw_wx_set_scan" in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c. A local user can trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References