CVE Database›Document archive›CVE-2024-56704

CVE-2024-56704

kernel: 9p/xen: fix release of IRQ

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · December 28, 2024

Updated · September 12, 2026

Description

A flaw was found in the Linux kernel's 9p/xen module. This vulnerability allows a local attacker to cause a double-free of an Interrupt Request (IRQ) by providing an incorrect device ID during the IRQ release process. Successful exploitation could lead to a denial of service, causing system instability, or potentially enable privilege escalation.

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 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-415 · Double Free