CVE-2026-43462

HIGHNVD 7.57.5—

7.5

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

net: spacemit: Fix error handling in emac_tx_mem_map()

The DMA mappings were leaked on mapping error. Free them with the existing emac_free_tx_buf() function.

CVSS v3: 7.5
EG Score: 7.5(high)
EPSS: 15.8%
KEV: Not listed

Published

May 8, 2026

Last Modified

May 20, 2026

Advisory Details (3)

Auto-updated May 11, 2026

No patch confirmed yet.

generic

net: spacemit: Fix error handling in emac_tx_mem_map() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/edeaba385318f60ec1b32470da4d5eb800294d16

generic

net: spacemit: Fix error handling in emac_tx_mem_map() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c34ebd7b24ea70be3c6fdb6936f79f593f37df60

generic

net: spacemit: Fix error handling in emac_tx_mem_map() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/86292155bea578ebab0ca3b65d4d87ecd8a0e9ea

Data Freshness Timeline

(refreshed 12× in last 7d / 17× 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
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 13:34 UTCEG score recompute
2026-05-20 13:34 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-43462?

CVE-2026-43462 is a high vulnerability published on May 8, 2026. In the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emactxmem_map() The DMA mappings were leaked on mapping error. Free them with the existing emacfreetx_buf() function.

When was CVE-2026-43462 disclosed?

CVE-2026-43462 was first published in the National Vulnerability Database on May 8, 2026, with the most recent update on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-43462 actively exploited?

CVE-2026-43462 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-43462?

CVE-2026-43462 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-43462?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43462, 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-2026-43462

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

net: spacemit: Fix error handling in emac_tx_mem_map() - kernel/git/stable/linux.git - Linux kernel stable tree

net: spacemit: Fix error handling in emac_tx_mem_map() - kernel/git/stable/linux.git - Linux kernel stable tree

net: spacemit: Fix error handling in emac_tx_mem_map() - kernel/git/stable/linux.git - Linux kernel stable tree

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-43462?

Published

Last Modified

Advisory Details (3)

Frequently asked(5)