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Rocky Linux: CVE-2021-47073: kernel-rt (Multiple Advisories)

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Rocky Linux: CVE-2021-47073: kernel-rt (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
03/01/2024
Created
07/16/2024
Added
07/16/2024
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)

  • rocky-upgrade-bpftool
  • rocky-upgrade-bpftool-debuginfo
  • rocky-upgrade-kernel
  • rocky-upgrade-kernel-core
  • rocky-upgrade-kernel-cross-headers
  • rocky-upgrade-kernel-debug
  • rocky-upgrade-kernel-debug-core
  • rocky-upgrade-kernel-debug-debuginfo
  • rocky-upgrade-kernel-debug-devel
  • rocky-upgrade-kernel-debug-modules
  • rocky-upgrade-kernel-debug-modules-extra
  • rocky-upgrade-kernel-debuginfo
  • rocky-upgrade-kernel-debuginfo-common-x86_64
  • rocky-upgrade-kernel-devel
  • rocky-upgrade-kernel-headers
  • rocky-upgrade-kernel-modules
  • rocky-upgrade-kernel-modules-extra
  • rocky-upgrade-kernel-rt
  • rocky-upgrade-kernel-rt-core
  • rocky-upgrade-kernel-rt-debug
  • rocky-upgrade-kernel-rt-debug-core
  • rocky-upgrade-kernel-rt-debug-debuginfo
  • rocky-upgrade-kernel-rt-debug-devel
  • rocky-upgrade-kernel-rt-debug-kvm
  • rocky-upgrade-kernel-rt-debug-modules
  • rocky-upgrade-kernel-rt-debug-modules-extra
  • rocky-upgrade-kernel-rt-debuginfo
  • rocky-upgrade-kernel-rt-debuginfo-common-x86_64
  • rocky-upgrade-kernel-rt-devel
  • rocky-upgrade-kernel-rt-kvm
  • rocky-upgrade-kernel-rt-modules
  • rocky-upgrade-kernel-rt-modules-extra
  • rocky-upgrade-kernel-tools
  • rocky-upgrade-kernel-tools-debuginfo
  • rocky-upgrade-kernel-tools-libs
  • rocky-upgrade-kernel-tools-libs-devel
  • rocky-upgrade-perf
  • rocky-upgrade-perf-debuginfo
  • rocky-upgrade-python3-perf
  • rocky-upgrade-python3-perf-debuginfo

References

  • https://attackerkb.com/topics/cve-2021-47073
  • CVE - 2021-47073
  • https://errata.rockylinux.org/RLSA-2024:4211
  • https://errata.rockylinux.org/RLSA-2024:4352
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