CVE-2024-26876

2024-04-1711:15:09

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

vulnerability

adv7511

crash

irq

probe

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

JSON

In the Linux kernel, the following vulnerability has been resolved:

drm/bridge: adv7511: fix crash on irq during probe

Moved IRQ registration down to end of adv7511_probe().

If an IRQ already is pending during adv7511_probe
(before adv7511_cec_init) then cec_received_msg_ts
could crash using uninitialized data:

Unable to handle kernel read from unreadable memory at virtual address 00000000000003d5
Internal error: Oops: 96000004 [#1] PREEMPT_RT SMP
Call trace:
 cec_received_msg_ts+0x48/0x990 [cec]
 adv7511_cec_irq_process+0x1cc/0x308 [adv7511]
 adv7511_irq_process+0xd8/0x120 [adv7511]
 adv7511_irq_handler+0x1c/0x30 [adv7511]
 irq_thread_fn+0x30/0xa0
 irq_thread+0x14c/0x238
 kthread+0x190/0x1a8