SB2024060348 - Improper locking in Linux kernel amd pds_core driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper locking (CVE-ID: CVE-2024-35968)

CWE-ID: CWE-667 - Improper Locking

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

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.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/38407914d48273d7f8ab765b9243658afe1c3ab6
• https://git.kernel.org/stable/c/81665adf25d28a00a986533f1d3a5df76b79cad9
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.7