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CVE
PUBLISHED

CVE-2024-26876

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

AssignerLinux
Reserved2024-02-19
Published2024-04-17
Updated2024-07-05

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

Product status

Default status
unaffected

3b1b975003e4 before 955c12529306
affected

3b1b975003e4 before 28a94271bd50
affected

3b1b975003e4 before aeedaee5ef54
affected

Default status
affected

4.15
affected

Any version before 4.15
unaffected

6.7.11
unaffected

6.8.2
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445c

https://git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e

https://git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924

cve.org CVE-2024-26876

nvd.nist.gov CVE-2024-26876

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