SB20241230119 - NULL pointer dereference in Linux kernel mediatek mt8188

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2024-56685)

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 mt8195_mt6359_soc_card_probe() function in sound/soc/mediatek/mt8195/mt8195-mt6359.c, within the mt8192_mt6359_legacy_probe() and mt8192_mt6359_soc_card_probe() functions in sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c, within the mt8188_mt6359_soc_card_probe() function in sound/soc/mediatek/mt8188/mt8188-mt6359.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/2f2020327cc8561d7c520d2f2d9acea84fa7b3a3
• https://git.kernel.org/stable/c/376f4800f34a28def026ff5c5d4fc5e54e1744ff
• https://git.kernel.org/stable/c/550279449ff54c5aa28cfca5c567308cbfb145f0
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2