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THREATINT
PUBLISHED

CVE-2024-26876

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



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

Reserved 2024-02-19 | Published 2024-04-17 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

3b1b975003e4a3da4b93ab032487a3ae4afca7b5 before 50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7
affected

3b1b975003e4a3da4b93ab032487a3ae4afca7b5 before 955c1252930677762e0db2b6b9e36938c887445c
affected

3b1b975003e4a3da4b93ab032487a3ae4afca7b5 before 28a94271bd50e4cf498df0381f776f8ea40a289e
affected

3b1b975003e4a3da4b93ab032487a3ae4afca7b5 before aeedaee5ef5468caf59e2bb1265c2116e0c9a924
affected

Default status
affected

4.15
affected

Any version before 4.15
unaffected

6.6.55
unaffected

6.7.11
unaffected

6.8.2
unaffected

6.9
unaffected

References

git.kernel.org/...c/50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7

git.kernel.org/...c/955c1252930677762e0db2b6b9e36938c887445c

git.kernel.org/...c/28a94271bd50e4cf498df0381f776f8ea40a289e

git.kernel.org/...c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924

cve.org (CVE-2024-26876)

nvd.nist.gov (CVE-2024-26876)

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