SB20240531445 - NULL pointer dereference in Linux kernel vcodec common driver

Description

This security bulletin contains information about 1 security vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2024-35919)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the vpu_enc_check_ap_inst() function in drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c, within the fops_vcodec_open(), fops_vcodec_release() and mtk_vcodec_probe() functions in drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c, within the mtk_vcodec_vpu_reset_enc_handler() function in drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.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/41671f0c0182b2bae74ca7e3b0f155559e3e2fc5
• https://git.kernel.org/stable/c/51c84a8aac6e3b59af2b0e92ba63cabe2e641a2d
• https://git.kernel.org/stable/c/afaaf3a0f647a24a7bf6a2145d8ade37baaf75ad
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.27
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.6