What is CVE-2024-56704?

CVE-2024-56704 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 4.12 onward and patched in 4.19.325, 5.4.287, 5.10.231 and others. CVE-2024-56704 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56704?

CVE-2024-56704 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2024-56704?

Yes, CVE-2024-56704 has been patched. Fixed versions include 4.19.325, 5.4.287, 5.10.231 and others. If you are running Linux kernel 4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-56704 actively exploited?

CVE-2024-56704 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-56704

High

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]

Package Linux Kernel

Published 2024-12-28

Last modified 2025-11-03

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-415

CVE-2024-56704 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.12 and later are affected. Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13 and their respective stable series.

Affected from

≥ 4.12

Fixed in

✓ 4.19.325 4.19.x ✓ 5.4.287 5.4.x ✓ 5.10.231 5.10.x ✓ 5.15.174 5.15.x ✓ 6.1.120 6.1.x ✓ 6.6.64 6.6.x ✓ 6.11.11 6.11.x ✓ 6.12.2 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-56704 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Debian Security
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
Kernel patch commit
https://git.kernel.org/stable/c/2bb3ee1bf237557daea1d58007d2e1d4a6502ccf
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4950408793b118cb8075bcee1f033b543fb719fa
Patch
Kernel patch commit
https://git.kernel.org/stable/c/530bc9f03a102fac95b07cda513bfc16ff69e0ee
Patch

9 patch commits total View all on NVD

Details

CVE ID CVE-2024-56704

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-12-28

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-56704?

CVE-2024-56704 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 4.12 onward and has been patched in 4.19.325, 5.4.287, 5.10.231 and others. CVE-2024-56704 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56704?

CVE-2024-56704 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2024-56704?

Yes — CVE-2024-56704 has been patched. Fixed versions include 4.19.325, 5.4.287, 5.10.231 and others. If you are running Linux kernel 4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-56704 actively exploited?

No — CVE-2024-56704 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.