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Red Hat: CVE-2024-26694: kernel: wifi: iwlwifi: fix double-free bug (Multiple Advisories)

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Red Hat: CVE-2024-26694: kernel: wifi: iwlwifi: fix double-free bug (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:C)
Published
04/03/2024
Created
06/07/2024
Added
06/06/2024
Modified
01/09/2025

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix double-free bug The storage for the TLV PC register data wasn't done like all the other storage in the drv->fw area, which is cleared at the end of deallocation. Therefore, the freeing must also be done differently, explicitly NULL'ing it out after the free, since otherwise there's a nasty double-free bug here if a file fails to load after this has been parsed, and we get another free later (e.g. because no other file exists.) Fix that by adding the missing NULL assignment.

Solution(s)

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

References

  • CVE-2024-26694
  • RHSA-2024:3618
  • RHSA-2024:3627
  • 查看数 702
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