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HIGH

CVE-2019-13233

CVSS v3

7

HIGH

EPSS Score

0.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2019-13233 Red Hat Product Security592 products fixed · 12 known affected

    kernel: use-after-free in arch/x86/lib/insn-eval.c

    kernel-rt as a component of Red Hat Enterprise MRG 2 · kernel-rt-debug as a component of Red Hat Enterprise MRG 2 · kernel-rt-debug-devel as a component of Red Hat Enterprise MRG 2

  • RHSA-2020:2851 Red Hat Product Security111 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

  • RHSA-2020:2522 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

  • RHSA-2020:1070 Red Hat Product Security33 products fixed

    Red Hat Security Advisory: kernel-rt security and bug fix update

  • RHSA-2020:1016 Red Hat Product Security174 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

  • RHSA-2019:3517 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

1 more advisory

Full record on NVD

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.

Technical details

Published
2019-07-04

Frequently asked questions

What is CVE-2019-13233?

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.

Is CVE-2019-13233 actively exploited?

Active exploitation of CVE-2019-13233 has not been confirmed. Its EPSS score was 0.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-13233?

CVE-2019-13233 has a CVSS v3 base score of 7 (HIGH severity).

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