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ubuntucveUbuntu.comUB:CVE-2024-35942
HistoryMay 19, 2024 - 12:00 a.m.

CVE-2024-35942

2024-05-1900:00:00
ubuntu.com
ubuntu.com
4
linux kernel
vulnerability
cve-2024-35942
resolved
imx8mp-blk-ctrl
fdcc clock
hdmimix domain
hdmi
lcdif
power domains

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.6%

In the Linux kernel, the following vulnerability has been resolved:
pmdomain: imx8mp-blk-ctrl: imx8mp_blk: Add fdcc clock to hdmimix domain
According to i.MX8MP RM and HDMI ADD, the fdcc clock is part of hdmi rx
verification IP that should not enable for HDMI TX. But actually if the
clock is disabled before HDMI/LCDIF probe, LCDIF will not get pixel clock
from HDMI PHY and print the error logs: [CRTC:39:crtc-2] vblank wait timed
out WARNING: CPU: 2 PID: 9 at drivers/gpu/drm/drm_atomic_helper.c:1634
drm_atomic_helper_wait_for_vblanks.part.0+0x23c/0x260 Add fdcc clock to
LCDIF and HDMI TX power domains to fix the issue.

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.6%

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