CVE-2024-45029: i2c: tegra: Do not mark ACPI devices as irq safe
First published: Wed Sep 11 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: i2c: tegra: Do not mark ACPI devices as irq safe On ACPI machines, the tegra i2c module encounters an issue due to a mutex being called inside a spinlock. This leads to the following bug: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:585 ... Call trace: __might_sleep __mutex_lock_common mutex_lock_nested acpi_subsys_runtime_resume rpm_resume tegra_i2c_xfer The problem arises because during __pm_runtime_resume(), the spinlock &dev->power.lock is acquired before rpm_resume() is called. Later, rpm_resume() invokes acpi_subsys_runtime_resume(), which relies on mutexes, triggering the error. To address this issue, devices on ACPI are now marked as not IRQ-safe, considering the dependency of acpi_subsys_runtime_resume() on mutexes.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.17<6.1.107 | |
| Linux Linux kernel | >=6.2<6.6.48 | |
| Linux Linux kernel | >=6.7<6.10.7 | |
| Linux Linux kernel | =6.11-rc1 | |
| Linux Linux kernel | =6.11-rc2 | |
| Linux Linux kernel | =6.11-rc3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/14d069d92951a3e150c0a81f2ca3b93e54da913b
- https://git.kernel.org/stable/c/2853e1376d8161b04c9ff18ba82b43f08a049905
- https://git.kernel.org/stable/c/6861faf4232e4b78878f2de1ed3ee324ddae2287
- https://git.kernel.org/stable/c/a89aef1e6cc43fa019a58080ed05c839e6c77876
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-45029
- https://nvd.nist.gov/vuln/detail/CVE-2024-45029
- https://launchpad.net/bugs/cve/CVE-2024-45029
- https://security-tracker.debian.org/tracker/CVE-2024-45029
- https://ubuntu.com/security/CVE-2024-45029
- https://git.kernel.org/linus/14d069d92951a3e150c0a81f2ca3b93e54da913b
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