CVE-2018-19364

Qemu: 9pfs: Use-after-free due to race condition while updating fid path

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Severity

Low

Red Hat Product Security

2.8

CVSS 3.0

Review impact separately from score.

Published · November 7, 2018

Updated · November 22, 2025

Description

hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.

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 · 2.8
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')