CVE-2024-26876

MEDIUM

Linux Kernel 4.15-6.8.1 - Use of Uninitialized Resource in ADV7511 IRQ Handler

Title source: llm
STIX 2.1

Description

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

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 13.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-908
Status published
Products (14)
linux/Kernel 4.15.0 - 6.6.55linux
linux/Kernel 6.7.0 - 6.7.11linux
linux/Kernel 6.8.0 - 6.8.2linux
Linux/Linux < 4.15
Linux/Linux 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 - 28a94271bd50e4cf498df0381f776f8ea40a289e
Linux/Linux 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 - 50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7
Linux/Linux 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 - 955c1252930677762e0db2b6b9e36938c887445c
Linux/Linux 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 - aeedaee5ef5468caf59e2bb1265c2116e0c9a924
Linux/Linux 4.15
Linux/Linux 6.6.55 - 6.6.*
... and 4 more
Published Apr 17, 2024
Tracked Since Feb 18, 2026