CVE-2026-23430

MEDIUMNVD 5.55.5—

5.5

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

drm/vmwgfx: Don't overwrite KMS surface dirty tracker

We were overwriting the surface's dirty tracker here causing a memory leak.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 3.4%
KEV: Not listed

Published

April 3, 2026

Last Modified

April 23, 2026

References (3)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/354c8bbf8d1e4aa61e580dbe160591feda504e4f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3f300a41a3668095688aa4551214e8080829fa93
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6cb77c474a32265e21c4871c7992468bf5e7638

Weakness Classification(1)

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

CWE-401Missing Release of Memory after Effective Lifetime (Memory Leak)

Data Freshness Timeline

(refreshed 18× 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.

2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
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2026-05-29 13:44 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-21 22:43 UTCepss_batch

Frequently asked(5)

What is CVE-2026-23430?

CVE-2026-23430 is a medium vulnerability published on April 3, 2026. In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak.

When was CVE-2026-23430 disclosed?

CVE-2026-23430 was first published in the National Vulnerability Database on April 3, 2026, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-23430 actively exploited?

CVE-2026-23430 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-23430?

CVE-2026-23430 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2026-23430?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23430, 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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CVE-2026-23430

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-23430?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)