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Red Hat: CVE-2024-43871: kernel: devres: Fix memory leakage caused by driver API devm_free_percpu() (Multiple Advisories)

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Red Hat: CVE-2024-43871: kernel: devres: Fix memory leakage caused by driver API devm_free_percpu() (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
08/21/2024
Created
09/26/2024
Added
09/25/2024
Modified
09/25/2024

Description

In the Linux kernel, the following vulnerability has been resolved: devres: Fix memory leakage caused by driver API devm_free_percpu() It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed by using devres_release() instead of devres_destroy() within devm_free_percpu().

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2024-43871
  • RHSA-2024:7000
  • RHSA-2024:7001

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