SB2024111002 - Memory leak in Linux kernel drm tests driver

Description

This security bulletin contains information about 1 vulnerability.

1) Memory leak (CVE-ID: CVE-2024-50213)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 memory leak within the drm_test_check_broadcast_rgb_auto_cea_mode_vic_1(), drm_test_check_broadcast_rgb_full_cea_mode_vic_1(), drm_test_check_broadcast_rgb_limited_cea_mode_vic_1() and drm_test_check_output_bpc_format_vic_1() functions in drivers/gpu/drm/tests/drm_hdmi_state_helper_test.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/3bc3fae8a0f22e0e713729b50e2111f6a8c64724
• https://git.kernel.org/stable/c/add4163aca0d4a86e9fe4aa513865e4237db8aef
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12