CVE-2021-47356

A vulnerability was found in the Linux kernel's mISDN driver. This issue arises during the cleanup process, where a timer handler might still be running after the driver has been removed, which can lead to a use-after-free issue, potentially causing a system crash. Mitigation Red Hat has...

CVE-2021-47356

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...

CVE-2021-47356

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...

CVE-2021-47356 mISDN: fix possible use-after-free in HFC_cleanup()

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...

CVE-2021-47356

CVE-2021-47356 : The issue is in the Linux kernel mISDN driver where its remove path could use-after-free a timer because del_timer() doesn’t wait for the handler to finish. The advisory notes the fix is to call del_timer_sync() to ensure the timer handler has finished and cannot reschedule. Affe...

GSD-2021-1001491 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.4.276 by commit...

UVI-2021-1001461 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.276 by commit...

GSD-2021-1001461 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.276 by commit...

GSD-2021-1001432 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.240 by commit...

UVI-2021-1001398 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.198 by commit...

GSD-2021-1001398 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.198 by commit...

GSD-2021-1001356 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.133 by commit...

UVI-2021-1001303 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.51 by commit...

UVI-2021-1001233 mISDN: fix possible use-after-free in HFC_cleanup()

mISDN: fix possible use-after-free in HFCcleanup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.13.3 by commit...