CVE-2024-56704: linux kernel Double Free — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: fix release of IRQ Kernel logs indicate an IRQ was double-freed. Pass correct device ID during IRQ release. [Dominique: remove confusing variable reset to 0]

Is your site exposed to CVE-2024-56704?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.12 — 4.19.325
linux	linux_kernel	4.20 — 5.4.287
linux	linux_kernel	5.5 — 5.10.231
linux	linux_kernel	5.11 — 5.15.174
linux	linux_kernel	5.16 — 6.1.120
linux	linux_kernel	6.2 — 6.6.64
linux	linux_kernel	6.7 — 6.11.11
linux	linux_kernel	6.12 — 6.12.2

References

Advisories & Patches

Other References

https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-56704? +

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: fix release of IRQ Kernel logs indicate an IRQ was double-freed. Pass correct device ID during IRQ release. [Dominique: remove confusing variable reset to 0] It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-56704? +

CVE-2024-56704 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-56704? +

CVE-2024-56704 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56704? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-12659

A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when …

CVE-2025-2027

A double free vulnerability has been identified in the ASUS System Analysis service. This vulnerability can be triggered by sending …

CVE-2025-8058

The regcomp function in the GNU C library version from 2.4 to 2.41 is subject to a double free if …

CVE-2026-11388

Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation. This issue affects Connext Professional: from 7.4.0 before …

CVE-2026-19316

A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of …

CVE-2026-17573

A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size …

CVE-2024-56704