Fedora 32 update for kernel

Published: 2020-11-23 | Updated: 2025-04-25

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-4788 CVE-2020-28941
CWE-ID	CWE-200 CWE-763
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system kernel Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU48577

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2020-4788

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 32

kernel: before 5.9.10-100.fc32

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2020-4700a73bd5

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Release of invalid pointer or reference

EUVDB-ID: #VU92422