CVE-2025-22043

MEDIUMNVD 5.55.5—

5.5

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

ksmbd: add bounds check for durable handle context

Add missing bounds check for durable handle context.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.0%
KEV: Not listed

Published

April 16, 2025

Last Modified

November 14, 2025

References (5)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1107b9ed92194603593c51829a3887812ae9e806
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/29b946714d6aa77de54c71243bba39469ac43ef2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/542027e123fc0bfd61dd59e21ae0ee4ef2101b29
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8d4848c45943c9cf5e86142fd7347efa97f497db
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0db3d9d416e332a0d6f045a1509539d3a4cd898

Patch Availability(7)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-virtual-hwe-24.04-edge (6.11.0-28.28) @ oracular	2026-05-30	ubuntu
ubuntu	linux-tools-oracle-64k (6.14.0-1007.7) @ plucky	2026-05-30	ubuntu
ubuntu	linux-virtual-hwe-24.04-edge (6.14.0-22.22) @ plucky	2026-05-30	ubuntu
ubuntu	linux-tools-azure-edge (6.11.0-1018.18~24.04.1) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-azure (6.14.0-1007.7) @ plucky	2026-05-30	ubuntu
ubuntu	linux-tools-oem-24.04b (6.11.0-1024.24) @ noble	2026-05-30	ubuntu
ubuntu	linux-tools-lowlatency-64k (6.11.0-1015.16) @ oracular	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

(8)

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 14× in last 7d / 47× 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.

2026-06-23 21:32 UTCEPSS rescore
2026-06-23 21:32 UTCEPSS rescore
2026-06-22 14:25 UTCEPSS rescore
2026-06-22 14:25 UTCEPSS rescore
2026-06-21 14:56 UTCEPSS rescore
2026-06-21 14:56 UTCEPSS rescore
2026-06-21 01:59 UTCEPSS rescore
2026-06-21 01:59 UTCEPSS rescore
2026-06-19 19:25 UTCEPSS rescore
2026-06-19 19:25 UTCEPSS rescore
2026-06-18 17:52 UTCEPSS rescore
2026-06-18 17:52 UTCEPSS rescore
2026-06-18 15:35 UTCOSV refresh
2026-06-17 17:52 UTCEPSS rescore
2026-06-16 17:52 UTCEPSS rescore
2026-06-16 17:52 UTCEPSS rescore
2026-06-15 17:48 UTCEPSS rescore
2026-06-14 23:17 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-11 13:59 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

Show 22 more

2026-06-07 15:24 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 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 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
2026-05-31 00:16 UTCEPSS rescore
2026-05-30 07:25 UTCEG score recompute
2026-05-30 07:25 UTCVendor advisory
2026-05-30 07:25 UTCGHSA enrichment
2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-22043?

CVE-2025-22043 is a medium vulnerability published on April 16, 2025. In the Linux kernel, the following vulnerability has been resolved: ksmbd: add bounds check for durable handle context Add missing bounds check for durable handle context.

When was CVE-2025-22043 disclosed?

CVE-2025-22043 was first published in the National Vulnerability Database on April 16, 2025, with the most recent update on November 14, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-22043 actively exploited?

CVE-2025-22043 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-22043?

CVE-2025-22043 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2025-22043?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-22043, 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

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