SB2020112341 - Fedora 32 update for kernel
Published: November 23, 2020 Updated: April 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Information disclosure (CVE-ID: CVE-2020-4788)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists in IBM Power9 processors due to unspecified error. A local user can obtain sensitive information from the data in the L1 cache under extenuating circumstances.
2) Release of invalid pointer or reference (CVE-ID: CVE-2020-28941)
CWE-ID: CWE-763 - Release of invalid pointer or reference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to release of invalid pointer or reference error within the makefile. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.