Fedora 38 update for kernel

Published: 2024-04-29

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-26922 CVE-2024-26924
CWE-ID	CWE-20 CWE-399
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	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) Input validation error

EUVDB-ID: #VU89054

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26922

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the amdgpu_vm_bo_insert_map(), amdgpu_vm_bo_map(), amdgpu_vm_bo_replace_map(), and amdgpu_vm_bo_clear_mappings() functions in drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c. A local user can pass specially crafted input to the driver and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 38.0

kernel: before 6.8.8-100.fc38

External links

http://bodhi.fedoraproject.org/updates/FEDORA-2024-f35f9525d6

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) Resource management error

EUVDB-ID: #VU89055