Riskcovery

CVE-2024-26876

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

State
Published
Severity
Not scored
Published
Apr 17, 2024
Updated
Oct 30, 2026
Reserved
Feb 19, 2024

Read the record on cve.org

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 to before 67b92950912195b9c83e3d652d7eb3551741d850Affected
  • 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 to before 50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7Affected
  • 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 to before 955c1252930677762e0db2b6b9e36938c887445cAffected
  • 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 to before 28a94271bd50e4cf498df0381f776f8ea40a289eAffected
  • 3b1b975003e4a3da4b93ab032487a3ae4afca7b5 to before aeedaee5ef5468caf59e2bb1265c2116e0c9a924Affected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.55 through 6.6.*Not affected
  • 6.7.11 through 6.7.*Not affected
  • 6.8.2 through 6.8.*Not affected
  • 6.9 and laterNot affected

References

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