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Huawei EulerOS: CVE-2021-47073: kernel security update

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Huawei EulerOS: CVE-2021-47073: kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
03/01/2024
Created
07/17/2024
Added
07/17/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios init_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systems where the Dell WMI interface is supported. While exit_dell_smbios_wmi() unregisters it unconditionally, this leads to the following oops: [175.722921] ------------[ cut here ]------------ [175.722925] Unexpected driver unregister! [175.722939] WARNING: CPU: 1 PID: 3630 at drivers/base/driver.c:194 driver_unregister+0x38/0x40 ... [175.723089] Call Trace: [175.723094]cleanup_module+0x5/0xedd [dell_smbios] ... [175.723148] ---[ end trace 064c34e1ad49509d ]--- Make the unregister happen on the same condition the register happens to fix this.

Solution(s)

  • huawei-euleros-2_0_sp9-upgrade-kernel
  • huawei-euleros-2_0_sp9-upgrade-kernel-tools
  • huawei-euleros-2_0_sp9-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp9-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2021-47073
  • CVE - 2021-47073
  • EulerOS-SA-2024-1964
  • 查看数 707
  • 已创建
  • 最后回复

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