Improper locking in Linux kernel amd pds_core driver

1) Improper locking

EUVDB-ID: #VU90748

Risk: Low

CVSSv3.1: 4.8 [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-2024-35968

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the pdsc_init_pf() function in drivers/net/ethernet/amd/pds_core/main.c, within the pdsc_devcmd_reset() function in drivers/net/ethernet/amd/pds_core/dev.c, within the pdsc_teardown() and pdsc_check_pci_health() functions in drivers/net/ethernet/amd/pds_core/core.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

CPE2.3

External links

http://git.kernel.org/stable/c/38407914d48273d7f8ab765b9243658afe1c3ab6
http://git.kernel.org/stable/c/81665adf25d28a00a986533f1d3a5df76b79cad9

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.