CVE-2021-47356

Updated:

Description:

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFC_cleanup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.

CVSS3: 7.7


Vendor State

OS Vendor version Errata
Ubuntu 18.04 4.15.0-156.163 USN-5073-1
Ubuntu 18.04 AWS 4.15.0-1111.118 USN-5073-1
Oracle Linux 6 UEK 4 4.1.12-124.89.4.el6uek ELSA-2024-12606
Oracle Linux 7 UEK 4 4.1.12-124.89.4.el7uek ELSA-2024-12606
Ubuntu 18.04 HWE Focal 5.4.0-84.94~18.04.1 USN-5071-2
RHEL 8 4.18.0-553.8.1.el8_10 RHSA-2024:4211
Oracle Linux 8 4.18.0-553.8.1.el8_10 ELSA-2024-4211
Ubuntu 20.04 5.4.0-84.94 USN-5071-1
Ubuntu 18.04 AWS Focal 5.4.0-1056.59~18.04.1 USN-5071-1
Ubuntu 18.04 Azure Focal 5.4.0-1058.60~18.04.1 USN-5071-1
Ubuntu 20.04 AWS 5.4.0-1056.59 USN-5071-1
AlmaLinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211
Rocky Linux 8 4.18.0-553.8.1.el8_10 RLSA-2024:4211
Ubuntu 16.04 HWE ESM 4.15.0-156.163~16.04.1 USN-5073-1
Ubuntu 16.04 GCP ESM 4.15.0-1108.122~16.04.1 USN-5073-2
Ubuntu 16.04 AWS HWE ESM 4.15.0-1111.118~16.04.1 USN-5073-1
Ubuntu 16.04 Azure ESM 4.15.0-1123.136~16.04.1 USN-5073-1
RHEL8 EUS 8.6 4.18.0-372.119.1.el8_6 RHSA-2024:5692

KernelCare State

OS Original kernel version State
Ubuntu 18.04
Planned
Ubuntu 18.04 AWS
Planned
Oracle Linux 6 UEK 4
Planned
Oracle Linux 7 UEK 4
Planned
Ubuntu 18.04 HWE Focal
Planned
RHEL 8
4.18.0-147.el8 show all hide all
4.18.0-80.11.1.el8_0 4.18.0-80.4.2.el8_0 4.18.0-80.11.2.el8_0 4.18.0-80.7.2.el8_0 4.18.0-80.7.1.el8_0 4.18.0-147.0.2.el8_1 4.18.0-80.1.2.el8_0 4.18.0-147.0.3.el8_1 4.18.0-80.el8 4.18.0-147.5.1.el8_1 4.18.0-147.3.1.el8_1 4.18.0-147.8.1.el8_1 4.18.0-193.el8 4.18.0-193.1.2.el8_2 4.18.0-193.6.3.el8_2 4.18.0-193.13.2.el8_2 4.18.0-193.14.3.el8_2 4.18.0-193.19.1.el8_2 4.18.0-193.28.1.el8_2 4.18.0-240.el8 4.18.0-240.1.1.el8_3 4.18.0-240.8.1.el8_3 4.18.0-240.10.1.el8_3 4.18.0-240.15.1.el8_3 4.18.0-240.22.1.el8_3 4.18.0-305.el8 4.18.0-304.el8 4.18.0-305.3.1.el8_4 4.18.0-305.7.1.el8_4 4.18.0-305.10.2.el8_4 4.18.0-305.12.1.el8_4 4.18.0-305.17.1.el8_4 4.18.0-305.19.1.el8_4 4.18.0-305.25.1.el8_4 4.18.0-348.el8 4.18.0-348.2.1.el8_5 4.18.0-348.7.1.el8_5 4.18.0-348.12.2.el8_5 4.18.0-348.20.1.el8_5 4.18.0-372.9.1.el8 4.18.0-348.23.1.el8_5 4.18.0-372.13.1.el8_6 4.18.0-372.16.1.el8_6 4.18.0-372.19.1.el8_6 4.18.0-372.26.1.el8_6 4.18.0-372.32.1.el8_6 4.18.0-425.3.1.el8 4.18.0-425.10.1.el8_7 4.18.0-425.13.1.el8_7 4.18.0-425.19.2.el8_7 4.18.0-477.10.1.el8_8 4.18.0-477.13.1.el8_8 4.18.0-477.15.1.el8_8 4.18.0-477.21.1.el8_8 4.18.0-477.27.1.el8_8 4.18.0-513.5.1.el8_9 4.18.0-513.9.1.el8_9 4.18.0-513.11.1.el8_9 4.18.0-513.18.1.el8_9 4.18.0-513.24.1.el8_9 4.18.0-553.el8_10 4.18.0-553.5.1.el8_10
Released
Oracle Linux 8
4.18.0-147.el8 show all hide all
4.18.0-80.11.1.el8_0 4.18.0-80.4.2.el8_0 4.18.0-147.5.1.el8_1 4.18.0-80.11.2.el8_0 4.18.0-80.7.2.el8_0 4.18.0-80.7.1.el8_0 4.18.0-147.0.2.el8_1 4.18.0-80.1.2.el8_0 4.18.0-147.0.3.el8_1 4.18.0-147.3.1.el8_1 4.18.0-80.el8 4.18.0-147.8.1.el8_1 4.18.0-193.1.2.el8_2 4.18.0-193.el8 4.18.0-193.6.3.el8_2 4.18.0-193.13.2.el8_2 4.18.0-193.14.3.el8_2 4.18.0-193.19.1.el8_2 4.18.0-193.28.1.el8_2 4.18.0-240.el8 4.18.0-240.1.1.el8_3 4.18.0-240.8.1.el8_3 4.18.0-240.10.1.el8_3 4.18.0-240.15.1.el8_3 4.18.0-240.22.1.el8_3 4.18.0-305.el8 4.18.0-305.3.1.el8_4 4.18.0-305.7.1.el8_4 4.18.0-305.10.2.el8_4 4.18.0-305.12.1.el8_4 4.18.0-305.17.1.el8_4 4.18.0-305.19.1.el8_4 4.18.0-305.25.1.el8_4 4.18.0-348.el8 4.18.0-348.2.1.el8_5 4.18.0-348.7.1.el8_5 4.18.0-348.12.2.el8_5 4.18.0-348.20.1.el8_5 4.18.0-348.23.1.el8_5 4.18.0-372.9.1.el8 4.18.0-372.13.1.0.1.el8_6 4.18.0-372.16.1.0.1.el8_6 4.18.0-372.19.1.0.1.el8_6 4.18.0-372.26.1.0.1.el8_6 4.18.0-372.32.1.0.1.el8_6 4.18.0-425.3.1.el8 4.18.0-425.10.1.el8_7 4.18.0-425.13.1.el8_7 4.18.0-425.19.2.el8_7 4.18.0-477.10.1.el8_8 4.18.0-477.13.1.el8_8 4.18.0-477.15.1.el8_8 4.18.0-477.21.1.el8_8 4.18.0-477.27.0.1.el8_8 4.18.0-477.27.1.el8_8 4.18.0-513.5.1.el8_9 4.18.0-513.9.1.el8_9 4.18.0-513.11.0.1.el8_9 4.18.0-513.18.0.1.el8_9 4.18.0-513.18.0.2.el8_9 4.18.0-513.18.1.el8_9 4.18.0-513.18.1.0.1.el8_9 4.18.0-513.24.1.el8_9 4.18.0-553.el8_10 4.18.0-553.5.1.el8_10
Released
CloudLinux OS 8
4.18.0-147.3.1.el8.lve.1 show all hide all
4.18.0-147.8.1.el8.lve 4.18.0-147.0.3.lve.el8 4.18.0-147.8.1.el8.lve.1 4.18.0-193.28.1.lve1.el8 4.18.0-305.lve.el8 4.18.0-305.7.1.lve.el8 4.18.0-305.10.2.lve.el8 4.18.0-305.10.2.2.lve.el8 4.18.0-305.12.1.lve.el8 4.18.0-305.17.1.lve.el8 4.18.0-305.19.1.lve.el8 4.18.0-348.lve.el8 4.18.0-348.7.1.lve.el8 4.18.0-348.12.2.lve.el8 4.18.0-348.20.1.lve.1.el8 4.18.0-348.20.1.lve.el8 4.18.0-348.23.1.lve.el8 4.18.0-372.9.1.1.lve.el8 4.18.0-372.16.1.lve.el8 4.18.0-372.9.1.lve.el8 4.18.0-372.19.1.lve.el8 4.18.0-372.13.1.lve.el8 4.18.0-372.26.1.lve.1.el8 4.18.0-372.32.1.lve.el8 4.18.0-425.3.1.lve.1.el8 4.18.0-425.3.1.lve.el8 4.18.0-425.3.1.lve.2.el8 4.18.0-425.3.1.lve.3.el8 4.18.0-425.10.1.lve.el8 4.18.0-425.13.1.lve.el8 4.18.0-425.19.2.lve.el8 4.18.0-477.10.1.lve.el8 4.18.0-477.13.1.lve.el8 4.18.0-477.15.1.lve.2.el8 4.18.0-477.13.1.lve.1.el8 4.18.0-477.21.1.lve.el8 4.18.0-477.21.1.lve.1.el8 4.18.0-477.27.1.lve.el8 4.18.0-477.27.2.lve.el8 4.18.0-513.5.1.lve.el8 4.18.0-513.9.1.lve.el8 4.18.0-513.11.1.lve.el8 4.18.0-513.18.1.lve.el8 4.18.0-513.18.1.lve.2.el8 4.18.0-513.18.1.lve.1.el8 4.18.0-513.24.1.lve.el8 4.18.0-513.24.1.lve.1.el8 4.18.0-553.lve.el8 4.18.0-513.24.1.lve.2.el8 4.18.0-553.5.1.lve.el8 4.18.0-544.lve.el8 4.18.0-553.5.1.lve.1.el8
Released
CloudLinux OS 7h
4.18.0-147.0.3.el7h.lve show all hide all
4.18.0-147.0.3.el7h 4.18.0-147.3.1.el7h.lve.1 4.18.0-147.8.1.el7h.lve 4.18.0-80.7.2.el7h 4.18.0-147.8.1.el7h.lve.1 4.18.0-193.28.1.lve1.el7h 4.18.0-305.lve.el7h 4.18.0-305.7.1.lve.el7h 4.18.0-305.10.2.lve.el7h 4.18.0-305.10.2.2.lve.el7h 4.18.0-305.12.1.lve.el7h 4.18.0-305.17.1.lve.el7h 4.18.0-305.19.1.lve.el7h 4.18.0-348.7.1.lve.el7h 4.18.0-348.12.2.lve.el7h 4.18.0-348.lve.el7h 4.18.0-348.12.2.lve.1.el7h 4.18.0-348.12.2.lve.2.el7h 4.18.0-348.20.1.lve.el7h 4.18.0-348.20.1.lve.1.el7h 4.18.0-348.23.1.lve.el7h 4.18.0-372.9.1.lve.el7h 4.18.0-372.13.1.lve.el7h 4.18.0-372.16.1.lve.el7h 4.18.0-372.19.1.lve.el7h 4.18.0-372.26.1.lve.1.el7h 4.18.0-372.32.1.lve.el7h 4.18.0-425.3.1.lve.el7h 4.18.0-425.3.1.lve.1.el7h 4.18.0-425.3.1.lve.2.el7h 4.18.0-425.3.1.lve.3.el7h 4.18.0-425.10.1.lve.el7h 4.18.0-425.13.1.lve.el7h 4.18.0-425.19.2.lve.el7h 4.18.0-477.10.1.lve.1.el7h 4.18.0-477.13.1.lve.el7h 4.18.0-477.15.1.lve.1.el7h 4.18.0-477.21.1.lve.el7h 4.18.0-477.13.1.lve.1.el7h 4.18.0-477.27.1.lve.el7h 4.18.0-477.15.1.lve.2.el7h 4.18.0-477.21.1.lve.1.el7h 4.18.0-513.5.1.lve.el7h 4.18.0-477.27.2.lve.el7h 4.18.0-513.9.1.lve.el7h 4.18.0-513.11.1.lve.el7h 4.18.0-513.18.1.lve.el7h 4.18.0-513.11.1.lve.1.el7h 4.18.0-513.18.1.lve.2.el7h 4.18.0-513.18.1.lve.1.el7h 4.18.0-513.24.1.lve.el7h 4.18.0-553.lve.el7h 4.18.0-513.24.1.lve.1.el7h 4.18.0-513.24.1.lve.2.el7h 4.18.0-553.5.1.lve.el7h 4.18.0-553.5.1.lve.1.el7h
Released
Ubuntu 20.04
Planned
Ubuntu 18.04 AWS Focal
Planned
Ubuntu 18.04 Azure Focal
Planned
Ubuntu 20.04 AWS
Planned
AlmaLinux 8
4.18.0-240.el8 show all hide all
4.18.0-240.15.1.el8_3 4.18.0-240.22.1.el8_3 4.18.0-305.el8 4.18.0-305.3.1.el8_4 4.18.0-305.7.1.el8_4 4.18.0-305.10.2.el8_4 4.18.0-305.12.1.el8_4 4.18.0-305.17.1.el8_4 4.18.0-305.19.1.el8_4 4.18.0-305.25.1.el8_4 4.18.0-348.el8 4.18.0-348.2.1.el8_5 4.18.0-348.7.1.el8_5 4.18.0-348.12.2.el8_5 4.18.0-348.20.1.el8_5 4.18.0-348.20.1.el8.fscrypt 4.18.0-348.23.1.el8_5 4.18.0-372.9.1.el8 4.18.0-372.13.1.el8_6 4.18.0-372.19.1.el8_6 4.18.0-372.16.1.el8_6 4.18.0-372.26.1.el8_6 4.18.0-372.32.1.el8_6 4.18.0-425.3.1.el8 4.18.0-425.10.1.el8_7 4.18.0-425.13.1.el8_7 4.18.0-425.19.2.el8_7 4.18.0-477.10.1.el8_8 4.18.0-477.13.1.el8_8 4.18.0-477.15.1.el8_8 4.18.0-477.21.1.el8_8 4.18.0-477.27.1.el8_8 4.18.0-513.5.1.el8_9 4.18.0-513.9.1.el8_9 4.18.0-477.27.2.el8_8 4.18.0-513.11.1.el8_9 4.18.0-513.18.1.el8_9 4.18.0-513.24.1.el8_9 4.18.0-513.18.2.el8_9 4.18.0-553.el8_10 4.18.0-553.5.1.el8_10
Released
Rocky Linux 8
4.18.0-305.3.1.el8_4 show all hide all
4.18.0-305.7.1.el8_4 4.18.0-305.10.2.el8_4 4.18.0-305.12.1.el8_4 4.18.0-305.17.1.el8_4 4.18.0-305.19.1.el8_4 4.18.0-305.25.1.el8_4 4.18.0-348.2.1.el8_5 4.18.0-348.12.2.el8_5 4.18.0-348.20.1.el8_5 4.18.0-348.7.1.el8_5 4.18.0-348.23.1.el8_5 4.18.0-372.9.1.el8 4.18.0-372.13.1.el8_6 4.18.0-372.19.1.el8_6 4.18.0-372.16.1.el8_6 4.18.0-372.16.1.el8_6.0.1 4.18.0-372.26.1.el8_6 4.18.0-372.32.1.el8_6 4.18.0-425.3.1.el8 4.18.0-425.10.1.el8_7 4.18.0-425.13.1.el8_7 4.18.0-425.19.2.el8_7 4.18.0-477.10.1.el8_8 4.18.0-477.13.1.el8_8 4.18.0-477.15.1.el8_8 4.18.0-477.27.1.el8_8 4.18.0-477.21.1.el8_8 4.18.0-513.5.1.el8_9 4.18.0-513.9.1.el8_9 4.18.0-513.11.1.el8_9 4.18.0-513.18.1.el8_9 4.18.0-513.11.1.el8_9.0.1 4.18.0-513.24.1.el8_9 4.18.0-553.el8_10 4.18.0-553.5.1.el8_10
Released
Ubuntu 16.04 HWE ESM
Planned
Ubuntu 16.04 GCP ESM
Planned
Ubuntu 16.04 AWS HWE ESM
Planned
Ubuntu 16.04 Azure ESM
Planned
RHEL8 EUS 8.6
4.18.0-372.51.1.el8_6 show all hide all
4.18.0-372.46.1.el8_6 4.18.0-372.41.1.el8_6 4.18.0-372.36.1.el8_6 4.18.0-372.52.1.el8_6 4.18.0-372.57.1.el8_6 4.18.0-372.64.1.el8_6 4.18.0-372.70.1.el8_6 4.18.0-372.75.1.el8_6 4.18.0-372.80.1.el8_6 4.18.0-372.87.1.el8_6 4.18.0-372.91.1.el8_6 4.18.0-372.93.1.el8_6 4.18.0-372.95.1.el8_6 4.18.0-372.98.1.el8_6 4.18.0-372.100.1.el8_6 4.18.0-372.102.1.el8_6 4.18.0-372.105.1.el8_6 4.18.0-372.107.1.el8_6 4.18.0-372.111.1.el8_6 4.18.0-372.118.1.el8_6 4.18.0-372.113.1.el8_6 4.18.0-372.109.1.el8_6 4.18.0-372.115.1.el8_6
Released