linux: In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Set lineevent_state::irq after IR...
CVE-2022-48660 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48660, released April 28, 2024. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Set lineevent_state::irq after IRQ register successfully When running gpio test on nxp-ls1028 platform with below command gpiomon --num-events=3 --rising-edge gpiochip1 25 There will be a warning trace as below: Call trace: free_irq+0x204/0x360 lineevent_free+0x64/0x70 gpio_ioctl+0x598/0x6a0 __arm64_sys_ioctl+0xb4/0x100 invoke_syscall+0x5c/0x130 ...... el0t_64_sync+0x1a0/0x1a4 The reason of this issue is that calling request_threaded_irq() function failed, and then lineevent_free() is invoked to release the resource. Since the lineevent_state::irq was already set, so the subsequent invocation of free_irq() would trigger the above warning call trace. To fix this issue, set the lineevent_state::irq after the IRQ register successfully.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.0.2-1 | DEBIAN-CVE-2022-48660 | Apr 28, 2024 |
| linux · Debian 13.5 (trixie) | 6.0.2-1 | DEBIAN-CVE-2022-48660 | Apr 28, 2024 |
| linux · Debian 14 | 6.0.2-1 | DEBIAN-CVE-2022-48660 | Apr 28, 2024 |
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