Fedora 29 update for kernel, kernel-headers, kernel-tools

Published: 2019-04-04 | Updated: 2025-04-24

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-3882 CVE-2019-9857
CWE-ID	CWE-400 CWE-401
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system kernel-tools Operating systems & Components / Operating system package or component kernel-headers Operating systems & Components / Operating system package or component kernel Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU18377

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-3882

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a local user to perform denial of service (DoS) attack.

The vulnerability exists within Linux kernel's vfio interface implementation, related to incorrect permission management. A local user with administrative privileges of the device, connected to vfio-pci interface can exhaust all system resources and perform denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 29

kernel-tools: before 5.0.6-200.fc29

kernel-headers: before 5.0.6-200.fc29

kernel: before 5.0.6-200.fc29

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2019-be9add5b77

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) Memory leak

EUVDB-ID: #VU90490