CVE-2023-53330

MEDIUMNVD 5.55.5—Trending — 3 sources updated this week

5.5

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

caif: fix memory leak in cfctrl_linkup_request()

When linktype is unknown or kzalloc failed in cfctrl_linkup_request(), pkt is not released. Add release process to error path.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.1%
KEV: Not listed

Published

September 16, 2025

Last Modified

January 14, 2026

References (8)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907

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 12× in last 7d / 12× 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.

2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 22:37 UTCEG score recompute
2026-05-29 22:36 UTCGHSA enrichment
2026-05-29 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2023-53330?

CVE-2023-53330 is a medium vulnerability published on September 16, 2025. In the Linux kernel, the following vulnerability has been resolved: caif: fix memory leak in cfctrllinkuprequest() When linktype is unknown or kzalloc failed in cfctrllinkuprequest(), pkt is not released. Add release process to error path.

When was CVE-2023-53330 disclosed?

CVE-2023-53330 was first published in the National Vulnerability Database on September 16, 2025, with the most recent update on January 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-53330 actively exploited?

CVE-2023-53330 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-53330?

CVE-2023-53330 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-53330?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53330, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-53330

Explore →

Is Your Infrastructure Affected by CVE-2023-53330?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2023-53330

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-53330?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)