UBUNTU-CVE-2024-56680
In the Linux kernel, the following vulnerability has been resolved: media: intel/ipu6: do not handle interrupts when device is disabled Some IPU6 devices have shared interrupts. We need to handle properly case when interrupt is triggered from other device on shared irq line and IPU6 itself disabled. In such case we get 0xffffffff from ISR_STATUS register and handle all irq's cases, for what we are not not prepared and usually hang the whole system. To avoid the issue use pm_runtime_get_if_active() to check if the device is enabled and prevent suspending it when we handle irq until the end of irq. Additionally use synchronize_irq() in suspend
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
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11 explicit affected versions
1 explicit affected versions
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26 explicit affected versions
37 explicit affected versions
10 explicit affected versions
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37 explicit affected versions
7 explicit affected versions
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33 explicit affected versions
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13 explicit affected versions
12 explicit affected versions
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38 explicit affected versions
51 explicit affected versions
13 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
10 explicit affected versions
1 explicit affected versions
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13 explicit affected versions
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6 explicit affected versions
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12 explicit affected versions
26 explicit affected versions
26 explicit affected versions
23 explicit affected versions
7 explicit affected versions
14 explicit affected versions
5 explicit affected versions
3 explicit affected versions
12 explicit affected versions
44 explicit affected versions
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4 explicit affected versions
13 explicit affected versions
16 explicit affected versions
9 explicit affected versions
12 explicit affected versions
13 explicit affected versions
7 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
11 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: media: intel/ipu6: do not handle interrupts when device is disabled Some IPU6 devices have shared interrupts. We need to handle properly case when interrupt is triggered from other device on shared irq line and IPU6 itself disabled. In such case we get 0xffffffff from ISR_STATUS register and handle all irq's cases, for what we are not not prepared and usually hang the whole system. To avoid the issue use pm_runtime_get_if_active() to check if the device is enabled and prevent suspending it when we handle irq until the end of irq. Additionally use synchronize_irq() in suspend
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/1429826883bb18847092b2e04c6598ef34bae1d4
- https://git.kernel.org/stable/c/1429826883bb18847092b2e04c6598ef34bae1d4
- https://git.kernel.org/stable/c/57241487a3648515c9aa6fa89e31f2414eccfdbc
- https://git.kernel.org/stable/c/ed4524c87249edc3104f6bb28ab11325bed3d536
- https://ubuntu.com/security/CVE-2024-56680
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://www.cve.org/CVERecord?id=CVE-2024-56680