CVE-2026-46189

NONECVSS 0.0

0.0

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

RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path

Sashiko points out that pvrdma_uar_free() is already called within pvrdma_dealloc_ucontext(), so calling it before triggers a double free.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 5.1%
KEV: Not listed

Published

May 28, 2026

Last Modified

May 28, 2026

References (5)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0

Vendor Advisories for CVE-2026-46189(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-xxxv-9j5g-vqfc
GitHub Security Advisoriesunknown
In the Linux kernel, the following vulnerability has been resolved: RDMA/vmw_pvrdma: Fix double...

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 10:10 UTCEG score recompute

Frequently asked(4)

What is CVE-2026-46189?

CVE-2026-46189 is a none vulnerability published on May 28, 2026. In the Linux kernel, the following vulnerability has been resolved: RDMA/vmwpvrdma: Fix double free on pvrdmaalloc_ucontext() error path Sashiko points out that pvrdmauarfree() is already called within pvrdmadeallocucontext(), so calling it before triggers a double free.

When was CVE-2026-46189 disclosed?

CVE-2026-46189 was first published in the National Vulnerability Database on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-46189 actively exploited?

CVE-2026-46189 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2026-46189?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46189, 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-2026-46189

📅 Published

🔄 Last Modified

🔗 References (5)

📣 Vendor Advisories for CVE-2026-46189(1)