CVE-2023-53040

MEDIUMNVD 5.55.5—

5.5

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

ca8210: fix mac_len negative array access

This patch fixes a buffer overflow access of skb->data if ieee802154_hdr_peek_addrs() fails.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 7.5%
KEV: Not listed

Published

May 2, 2025

Last Modified

November 12, 2025

References (8)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/55d836f75778d2e2cafe37e023f9c106400bad4b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5da4469a7aa011de614c3e2ae383c35a353a382e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6c993779ea1d0cccdb3a5d7d45446dd229e610a3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7df72bedbdd1d02bb216e1f6eca0a16900238c4e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/918944526a386f186dd818ea6b0bcbed75d8c16b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d143e327c97241599c958d1ba9fbaa88c37db721
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d2b3bd0d4cadfdb7f3454d2aef9d5d9e8b48aae4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd176a18db96d574d8c4763708abcec4444a08b6

Data Freshness Timeline

(refreshed 13× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
2026-06-23 21:31 UTCEPSS rescore
2026-06-22 14:24 UTCEPSS rescore
2026-06-22 14:24 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-18 14:05 UTCOSV refresh
2026-06-17 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:47 UTCEPSS rescore
2026-06-14 23:16 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
2026-06-10 22:17 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore

Show 19 more

2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-30 06:18 UTCEG score recompute
2026-05-30 06:18 UTCGHSA enrichment
2026-05-30 05:25 UTCOSV refresh
2026-05-29 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-53040?

CVE-2023-53040 is a medium vulnerability published on May 2, 2025. In the Linux kernel, the following vulnerability has been resolved: ca8210: fix mac_len negative array access This patch fixes a buffer overflow access of skb->data if ieee802154hdrpeek_addrs() fails.

When was CVE-2023-53040 disclosed?

CVE-2023-53040 was first published in the National Vulnerability Database on May 2, 2025, with the most recent update on November 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-53040 actively exploited?

CVE-2023-53040 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-53040?

CVE-2023-53040 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-53040?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53040, 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-2023-53040

📅 Published

🔄 Last Modified

🔗 References (8)