vulnerability

Ubuntu: (CVE-2022-48660): linux vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
2024-04-28
Added
2024-11-19
Modified
2025-03-19

Description

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.

Solution(s)

ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-15ubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-15ubuntu-upgrade-linux-azure-fdeubuntu-upgrade-linux-azure-fde-5-15ubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-15ubuntu-upgrade-linux-gkeubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-gkeop-5-15ubuntu-upgrade-linux-hwe-5-15ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-intel-iotgubuntu-upgrade-linux-intel-iotg-5-15ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-lowlatencyubuntu-upgrade-linux-lowlatency-hwe-5-15ubuntu-upgrade-linux-nvidiaubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-15ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-realtimeubuntu-upgrade-linux-riscv-5-15
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