Improper error handling in Linux kernel microsoft mana driver

1) Improper error handling

EUVDB-ID: #VU97547

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-2024-46784

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to improper error handling within the mana_destroy_txq(), mana_create_txq() and mana_destroy_rxq() functions in drivers/net/ethernet/microsoft/mana/mana_en.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/9178eb8ebcd887ab75e54ac40d538e54bb9c7788
http://git.kernel.org/stable/c/9e0bff4900b5d412a9bafe4baeaa6facd34f671c
http://git.kernel.org/stable/c/4982a47154f0b50de81ee0a0b169a3fc74120a65
http://git.kernel.org/stable/c/b6ecc662037694488bfff7c9fd21c405df8411f2

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.