CVE-2024-56704

HIGHNVD 7.87.8—

7.8

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]

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 7.3%
KEV: Not listed

Published

December 28, 2024

Last Modified

November 3, 2025

References (11)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2bb3ee1bf237557daea1d58007d2e1d4a6502ccf
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4950408793b118cb8075bcee1f033b543fb719fa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/530bc9f03a102fac95b07cda513bfc16ff69e0ee
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/692eb06703afc3e24d889d77e94a0e20229f6a4a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f5a2ed5c1810661e6b03f5a4ebf17682cdea850
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b9e26059664bd9ebc64a0e8f5216266fc9f84265
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d74b4b297097bd361b8a9abfde9b521ff464ea9c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d888f5f5d76b2722c267e6bdf51d445d60647b7b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e43c608f40c065b30964f0a806348062991b802d
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Patch Availability(30)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-virtual-hwe-24.04-edge (6.11.0-18.18) @ oracular	2026-05-23	ubuntu
ubuntu	linux-tools-realtime-hwe-24.04-edge (6.11.0-1005.5) @ oracular	2026-05-23	ubuntu
ubuntu	linux-tools-oem-24.04b (6.11.0-1015.15) @ noble	2026-05-23	ubuntu
ubuntu	linux-virtual-hwe-20.04-edge (5.15.0.135.133) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-nvidia-tegra-rt (5.15.0.1033.33) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-kvm (5.15.0.1076.72) @ jammy	2026-05-23	ubuntu
ubuntu	linux-xilinx-zynqmp-tools-host (5.15.0-1044.48) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-gcp-fips (5.15.0.1079.69) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-aws-lts-20.04 (5.4.0.1142.139) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-gcp-fips (5.4.0.1145.87) @ focal	2026-05-23	ubuntu
ubuntu	linux-virtual-hwe-20.04-edge (5.15.0.136.147~20.04.1) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-aws-edge (5.4.0.1142.152~18.04.1) @ bionic	2026-05-23	ubuntu
ubuntu	linux-tools-iot (5.4.0.1048.46) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-fips (5.4.0.1116.113) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-aws-fips (5.4.0.1142.89) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-azure-fde-edge (5.15.0.1086.95~20.04.1.61) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-oracle-edge (6.8.0-1024.25~22.04.1) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-oracle-edge (5.4.0.1140.149~18.04.1) @ bionic	2026-05-23	ubuntu
ubuntu	linux-tools-realtime (5.15.0.1080.83) @ jammy	2026-05-23	ubuntu
ubuntu	linux-virtual-hwe-18.04-edge (5.4.0.211.206) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-gkeop-6.8 (6.8.0-1010.12) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-ibm-edge (5.4.0.1090.95~18.04.1) @ bionic	2026-05-23	ubuntu
ubuntu	linux-tools-ibm-edge (5.15.0.1074.77~20.04.1) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-aws-edge (6.8.0-1027.29~22.04.1) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-realtime-hwe-24.04 (6.8.1-1020.21) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-intel-iotg-edge (5.15.0.1077.83~20.04.1) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-gcp-edge (6.8.0-1028.30~22.04.1) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-gcp-edge (5.15.0.1081.90~20.04.1) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-raspi2-hwe-18.04-edge (5.4.0.1129.160) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-azure-nvidia (6.8.0-1014.15) @ noble	2026-05-23	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-415Double Free

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-56704?

CVE-2024-56704 is a high vulnerability published on December 28, 2024. 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]

When was CVE-2024-56704 disclosed?

CVE-2024-56704 was first published in the National Vulnerability Database on December 28, 2024, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-56704 actively exploited?

CVE-2024-56704 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2024-56704 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2024-56704?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-56704, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2024-56704

Published

Last Modified

References (11)

Patch Availability(30)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-56704?

Same vendor

Same CWE

CVE-2024-56704

📅 Published

🔄 Last Modified

🔗 References (11)

Patch Availability(30)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-56704?

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Last Modified

References (11)

Frequently asked(5)

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