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Red Hat: CVE-2019-13233: Important: kernel-rt security and bug fix update (Multiple Advisories)

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Red Hat: CVE-2019-13233: 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
07/04/2019
Created
11/07/2019
Added
11/06/2019
Modified
07/21/2021

Description

In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.

Solution(s)

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

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