SB2020073030 - Red Hat Enterprise Linux 7 update for kernel 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020073030

SB2020073030 - Red Hat Enterprise Linux 7 update for kernel

Published: July 30, 2020

Security Bulletin ID SB2020073030
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-12653)

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

The vulnerability exists due to application does not properly impose security restrictions in the "mwifiex_cmd_append_vsie_tlv()" function in "drivers/net/wireless/marvell/mwifiex/scan.c" file. A local user can gain elevated privileges on the target system.


2) Out-of-bounds write (CVE-ID: CVE-2020-12654)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the "mwifiex_ret_wmm_get_status()" function in "drivers/net/wireless/marvell/mwifiex/wmm.c" file. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.


3) Out-of-bounds Write (CVE-ID: CVE-2020-10713)

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a "BootHole" issue. An attacker with physical access can install persistent and stealthy bootkits or malicious bootloaders, trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References