SB20241230174 - NULL pointer dereference in Linux kernel accel ivpu driver

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2024-56540)

CWE-ID: CWE-476 - NULL Pointer Dereference

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 NULL pointer dereference within the ivpu_jsm_pwr_d0i3_enter(), ivpu_jsm_hws_setup_priority_bands(), ivpu_jsm_dct_enable() and ivpu_jsm_dct_disable() functions in drivers/accel/ivpu/ivpu_jsm_msg.c, within the ivpu_ipc_receive() and ivpu_ipc_send_receive_active() functions in drivers/accel/ivpu/ivpu_ipc.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/362ef76020ea6219a4df4ac5b738672b59527239
• https://git.kernel.org/stable/c/5eaa497411197c41b0813d61ba3fbd6267049082
• https://git.kernel.org/stable/c/cac822772c4dc27a285f09caf30072ab76d2bf38
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11