CVE-2023-53305

HIGHNVD 7.87.8—

7.8

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

Bluetooth: L2CAP: Fix use-after-free

Fix potential use-after-free in l2cap_le_command_rej.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 4.6%
KEV: Not listed

Published

September 16, 2025

Last Modified

January 14, 2026

References (8)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/149daab45922ab1ac7f0cbeacab7251a46bf5e63
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1a40c56e8bff3e424724d78a9a6b3272dd8a371d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/255be68150291440657b2cdb09420b69441af3d8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/548a6b64b3c0688f01119a6fcccceb41f8c984e4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e76bab1b7afa580cd76362540fc37551ada4359b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f752a0b334bb95fe9b42ecb511e0864e2768046f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fe49aa73cca6608714477b74bfc6874b9db979df

Patch Availability(12)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	kernel-0:4.18.0-193.178.1.el8_2	2025-12-17	redhat
redhat	kernel-0:3.10.0-1160.143.1.el7	2025-12-09	redhat
redhat	kernel-rt-0:3.10.0-1160.143.1.rt56.1295.el7	2025-12-09	redhat
redhat	kernel-0:4.18.0-305.179.1.el8_4	2025-12-04	redhat
redhat	kernel-rt-0:5.14.0-284.146.1.rt14.431.el9_2	2025-11-12	redhat
redhat	kernel-0:5.14.0-284.146.1.el9_2	2025-11-12	redhat
redhat	kernel-rt-0:5.14.0-70.153.1.rt21.225.el9_0	2025-11-12	redhat
redhat	kernel-0:5.14.0-70.153.1.el9_0	2025-11-12	redhat
redhat	kernel-0:4.18.0-372.166.1.el8_6	2025-10-29	redhat
redhat	kernel-0:4.18.0-477.116.1.el8_8	2025-10-22	redhat
redhat	kernel-0:4.18.0-553.79.1.el8_10	2025-10-13	redhat
redhat	kernel-rt-0:4.18.0-553.79.1.rt7.420.el8_10	2025-10-13	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-416Use After Free

All Vendor Advisories

(12)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 33× 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.

2026-06-16 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
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
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore

Show 8 more

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
2026-05-29 22:38 UTCEG score recompute
2026-05-29 22:38 UTCVendor advisory
2026-05-29 22:38 UTCGHSA enrichment
2026-05-29 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-53305?

CVE-2023-53305 is a high vulnerability published on September 16, 2025. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommand_rej.

When was CVE-2023-53305 disclosed?

CVE-2023-53305 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-2023-53305 actively exploited?

CVE-2023-53305 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-53305?

CVE-2023-53305 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-53305?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53305, 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-2023-53305

Published

Last Modified

References (8)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-53305?

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CVE-2023-53305

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-53305?

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References (8)

Frequently asked(5)

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