SB2024082644 - Use-after-free in Linux kernel intel idpf driver

Description

This security bulletin contains information about 1 vulnerability.

1) Use-after-free (CVE-ID: CVE-2024-44932)

CWE-ID: CWE-416 - Use After Free

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

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the idpf_vport_intr_napi_dis_all() and idpf_vport_intr_rel() functions in drivers/net/ethernet/intel/idpf/idpf_txrx.c, within the idpf_vport_stop(), idpf_vport_open() and idpf_send_map_unmap_queue_vector_msg() functions in drivers/net/ethernet/intel/idpf/idpf_lib.c. A local user can escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/3cde714b0e77206ed1b5cf31f28c18ba9ae946fd
• https://git.kernel.org/stable/c/290f1c033281c1a502a3cd1c53c3a549259c491f
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.5
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11