CVE-2025-39933

NVD 0.05.5▲

0.0

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

smb: client: let recv_done verify data_offset, data_length and remaining_data_length

This is inspired by the related server fixes.

CVSS v3: —
EG Score: 5.5(medium)
EPSS: 2.0%
KEV: Not listed

Published

October 4, 2025

Last Modified

June 11, 2026

References (2)

Patch Availability(14)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	kernel-rt-0:5.14.0-70.167.1.rt21.239.el9_0	2026-02-25	redhat
redhat	kernel-0:5.14.0-284.158.1.el9_2	2026-02-25	redhat
redhat	kernel-rt-0:5.14.0-284.158.1.rt14.443.el9_2	2026-02-25	redhat
redhat	kernel-0:4.18.0-305.186.1.el8_4	2026-02-25	redhat
redhat	kernel-0:4.18.0-372.181.1.el8_6	2026-02-25	redhat
redhat	kernel-0:4.18.0-477.130.1.el8_8	2026-02-25	redhat
redhat	kernel-0:5.14.0-70.167.1.el9_0	2026-02-25	redhat
redhat	kernel-0:5.14.0-427.111.1.el9_4	2026-02-17	redhat
redhat	kernel-0:5.14.0-570.89.1.el9_6	2026-02-16	redhat
redhat	kernel-0:6.12.0-124.35.1.el10_1	2026-02-09	redhat
redhat	kernel-0:6.12.0-55.58.1.el10_0	2026-02-02	redhat
redhat	kernel-0:5.14.0-611.24.1.el9_7	2026-01-19	redhat
redhat	kernel-rt-0:4.18.0-553.94.1.rt7.435.el8_10	2026-01-19	redhat
redhat	kernel-0:4.18.0-553.94.1.el8_10	2026-01-19	redhat

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

(15)

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 9× in last 7d / 30× 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 23:18 UTCMITRE cvelistV5
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

Show 5 more

2026-05-31 00:16 UTCEPSS rescore
2026-05-29 21:32 UTCEG score recompute
2026-05-29 21:32 UTCVendor advisory
2026-05-29 21:32 UTCGHSA enrichment
2026-05-29 13:44 UTCEPSS rescore

Frequently asked(4)

What is CVE-2025-39933?

CVE-2025-39933 is a publicly disclosed vulnerability published on October 4, 2025. In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdata_length This is inspired by the related server fixes.

When was CVE-2025-39933 disclosed?

CVE-2025-39933 was first published in the National Vulnerability Database on October 4, 2025, with the most recent update on June 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-39933 actively exploited?

CVE-2025-39933 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2025-39933?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-39933, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-39933

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CVE-2025-39933

📅 Published

🔄 Last Modified

🔗 References (2)

Patch Availability(14)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-39933?

🔗 Related CVEs(same vendor)

Same vendor

Published

Last Modified

References (2)

Frequently asked(4)

Related CVEs(same vendor)