CVE-2024-26876

Summary

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

Impact & exploitability

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e ↗

Additional information

• NVD record
• https://git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289ePatch
• https://git.kernel.org/stable/c/50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7Patch
• https://git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445cPatch
• https://git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924Patch
• https://git.kernel.org/stable/c/67b92950912195b9c83e3d652d7eb3551741d850