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Centos Linux: CVE-2021-44733: Important: kernel-rt security and bug fix update (Multiple Advisories)

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Centos Linux: CVE-2021-44733: Important: kernel-rt security and bug fix update (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/22/2021
Created
05/14/2022
Added
05/13/2022
Modified
05/13/2022

Description

A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.

Solution(s)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt

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