CVE-2025-38548

HIGHNVD 7.87.8—

7.8

In the Linux kernel, the following vulnerability has been resolved:

hwmon: (corsair-cpro) Validate the size of the received input buffer

Add buffer_recv_size to store the size of the received bytes. Validate buffer_recv_size in send_usb_cmd().

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 4.7%
KEV: Not listed

Published

August 16, 2025

Last Modified

January 7, 2026

References (9)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0db770e2922389753ddbd6663a5516a32b97b743
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2771d2ee3d95700f34e1e4df6a445c90565cd4e9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2e6f4d9cfbda52700c126c5a2b93dd2042e8680c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3c4bdc8a852e446080adc8ceb90ddd67a56e1bb8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/495a4f0dce9c8c4478c242209748f1ee9e4d5820
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4eb5cc48399f89b63acdbfe912fa5c8fe2900147
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eda5e38cc4dd2dcb422840540374910ef2818494
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Patch Availability(30)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-virtual-hwe-24.04-edge (6.14.0-36.36) @ plucky	2026-05-30	ubuntu
ubuntu	linux-tools-oem-6.14 (6.14.0-1016.16) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-realtime-hwe-24.04-edge (6.14.0-1016.16~24.04.1) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-oracle-edge (6.14.0-1017.17~24.04.1) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-azure-lts-22.04 (5.15.0.1101.99) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-azure-fips-5.15 (5.15.0.1101.86) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-raspi-nolpae (5.15.0.1091.89) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-gkeop-5.15 (5.15.0.1080.79) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-kvm-5.15 (5.15.0.1089.85) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-azure-edge (6.14.0-1017.17~24.04.1) @ noble	2026-05-30	ubuntu
ubuntu	linux-xilinx-zynqmp-tools-5.15.0-1061 (5.15.0-1061.65) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-realtime-5.15 (5.15.0.1096.100) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-gcp-fips-5.15 (5.15.0.1097.87) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-raspi-6.14 (6.14.0-1018.18) @ plucky	2026-05-30	ubuntu
ubuntu	linux-tools-azure-edge (5.15.0.1102.111~20.04.1) @ focal	2026-05-30	ubuntu
ubuntu	linux-virtual-6.8 (6.8.0-100.100) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-gcp-edge (6.8.0-1047.50~22.04.2) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-realtime-hwe-22.04 (6.8.1-1041.42~22.04.1) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-fips-6.8 (6.8.0-100.100+fips1) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-realtime-6.8.1 (6.8.1-1041.42) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-oracle-edge (6.8.0-1043.44~22.04.1) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-gcp-fips-6.8 (6.8.0-1047.50+fips1) @ noble	2026-05-30	ubuntu
ubuntu	linux-virtual-hwe-22.04-edge (6.8.0-100.100~22.04.1) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-gke-64k-6.8 (6.8.0-1043.48) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-ibm-edge (6.8.0-1044.44~22.04.1) @ jammy	2026-05-30	ubuntu
ubuntu	linux-tools-azure-lts-24.04 (6.8.0-1046.52) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1046.49.1) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-azure-fips-6.8 (6.8.0-1046.52+fips1) @ noble	2026-05-30	ubuntu
ubuntu	linux-xilinx-zynqmp (6.8.0.1023.24) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-azure-edge (6.8.0-1051.57~22.04.1) @ jammy	2026-05-30	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.

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 8× in last 7d / 29× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-16 17:52 UTCEPSS rescore
2026-06-16 17:52 UTCEPSS rescore
2026-06-14 23:17 UTCEPSS rescore
2026-06-13 23:00 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-11 14:00 UTCEPSS rescore
2026-06-10 22:18 UTCEPSS rescore
2026-06-10 13:22 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore

Show 4 more

2026-05-30 00:19 UTCEG score recompute
2026-05-30 00:19 UTCVendor advisory
2026-05-30 00:18 UTCGHSA enrichment
2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-38548?

CVE-2025-38548 is a high vulnerability published on August 16, 2025. In the Linux kernel, the following vulnerability has been resolved: hwmon: (corsair-cpro) Validate the size of the received input buffer Add bufferrecvsize to store the size of the received bytes. Validate bufferrecvsize in sendusbcmd().

When was CVE-2025-38548 disclosed?

CVE-2025-38548 was first published in the National Vulnerability Database on August 16, 2025, with the most recent update on January 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-38548 actively exploited?

CVE-2025-38548 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-38548?

CVE-2025-38548 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2025-38548?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-38548, 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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