CVE-2026-43257

MEDIUMNVD 5.55.5—

5.5

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

media: cx88: Add missing unmap in snd_cx88_hw_params()

In error path, add cx88_alsa_dma_unmap() to release resource acquired by cx88_alsa_dma_map().

CVSS v3: 5.5
EG Score: 5.5(high)
EPSS: 2.4%
KEV: Not listed

Published

May 6, 2026

Last Modified

May 11, 2026

References (8)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a

Weakness Classification(1)

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

CWE-772Missing Release of Resource after Effective Lifetime

Data Freshness Timeline

(refreshed 12× in last 7d / 18× 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 14:12 UTCEG score recompute
2026-05-20 14:12 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-43257?

CVE-2026-43257 is a medium vulnerability published on May 6, 2026. In the Linux kernel, the following vulnerability has been resolved: media: cx88: Add missing unmap in sndcx88hw_params() In error path, add cx88alsadma_unmap() to release resource acquired by cx88alsadma_map().

When was CVE-2026-43257 disclosed?

CVE-2026-43257 was first published in the National Vulnerability Database on May 6, 2026, with the most recent update on May 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-43257 actively exploited?

CVE-2026-43257 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-43257?

CVE-2026-43257 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2026-43257?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43257, 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-2026-43257

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-43257?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

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