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CVE-2019-13233

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

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Severity

Moderate

Red Hat Product Security

5.1

CVSS 3.0

Review impact separately from score.

Published · July 4, 2019

Updated · June 28, 2026

Description

A vulnerability was found in the arch/x86/lib/insn-eval.c function in the Linux kernel. An attacker could corrupt the memory due to a flaw in use-after-free access to an LDT entry caused by a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.1
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CWE-416 · Use After Free