CVE-2024-35978

MEDIUMNVD 5.55.5—

5.5

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

Bluetooth: Fix memory leak in hci_req_sync_complete()

In 'hci_req_sync_complete()', always free the previous sync request state before assigning reference to a new one.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 1.1%
KEV: Not listed

Published

May 20, 2024

Last Modified

May 12, 2026

References (19)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4beab84fbb50df3be1d8f8a976e6fe882ca65cb2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/66fab1e120b39f8f47a94186ddee36006fc02ca8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75193678cce993aa959e7764b6df2f599886dd06
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8478394f76c748862ef179a16f651f752bdafaf0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89a32741f4217856066c198a4a7267bcdd1edd67
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ab5e44b9bac946bd49fd63264a08cd1ea494e76
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e4cb8382fff6706436b66eafd9c0ee857ff0a9f5
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4beab84fbb50df3be1d8f8a976e6fe882ca65cb2
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/66fab1e120b39f8f47a94186ddee36006fc02ca8
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/75193678cce993aa959e7764b6df2f599886dd06
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8478394f76c748862ef179a16f651f752bdafaf0
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/89a32741f4217856066c198a4a7267bcdd1edd67
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9ab5e44b9bac946bd49fd63264a08cd1ea494e76

Vendor Advisories for CVE-2024-35978(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2024-35978
Microsoft Security Response Center (MSRC)
CVE-2024-35978

Patch Availability(22)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-tools-aws (6.8.0-1011.12) @ noble	2026-05-22	ubuntu
ubuntu	linux-tools-azure-lts-22.04 (5.15.0.1068.66) @ jammy	2026-05-22	ubuntu
ubuntu	linux-tools-raspi-nolpae (5.15.0.1058.56) @ jammy	2026-05-22	ubuntu
ubuntu	linux-tools-aws-edge (5.4.0.1128.138~18.04.1) @ bionic	2026-05-22	ubuntu
ubuntu	linux-tools-aws-edge (5.15.0.1065.71~20.04.1) @ focal	2026-05-22	ubuntu
ubuntu	linux-tools-oracle-64k (6.8.0-1008.8) @ noble	2026-05-22	ubuntu
ubuntu	linux-virtual-hwe-16.04-edge (4.15.0.227.239~16.04.1) @ xenial	2026-05-22	ubuntu
ubuntu	linux-tools-gcp-edge (5.15.0.1065.73~20.04.1) @ focal	2026-05-22	ubuntu
ubuntu	linux-virtual-lts-xenial (4.4.0.257.291~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-tools-azure (4.15.0.1179.194~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-tools-azure-edge (4.15.0.1179.194~16.04.1) @ xenial	2026-05-22	ubuntu
ubuntu	linux-virtual-hwe-24.04-edge (6.8.0-38.38) @ noble	2026-05-22	ubuntu
ubuntu	linux-tools-ibm-edge (5.4.0.1075.80~18.04.1) @ bionic	2026-05-22	ubuntu
ubuntu	linux-tools-aws-lts-22.04 (5.15.0.1065.65) @ jammy	2026-05-22	ubuntu
ubuntu	linux-tools-lowlatency-hwe-20.04-edge (5.15.0.116.106) @ jammy	2026-05-22	ubuntu
ubuntu	linux-xilinx-zynqmp-tools-5.4.0-1047 (5.4.0-1047.51) @ focal	2026-05-22	ubuntu
ubuntu	linux-virtual-hwe-20.04-edge (5.15.0.116.116) @ jammy	2026-05-22	ubuntu
ubuntu	linux-tools-nvidia-64k (6.8.0-1009.9) @ noble	2026-05-22	ubuntu
ubuntu	linux-virtual-hwe-18.04-edge (5.4.0.189.209~18.04.1) @ bionic	2026-05-22	ubuntu
ubuntu	linux-tools-raspi2-hwe-18.04-edge (5.4.0.1112.142) @ focal	2026-05-22	ubuntu
ubuntu	linux-xilinx-zynqmp-tools-host (5.15.0-1035.39) @ jammy	2026-05-22	ubuntu
redhat	kernel-0:5.14.0-570.12.1.el9_6	2025-05-13	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-401Missing Release of Memory after Effective Lifetime (Memory Leak)

Additional Vendor Advisories

(22)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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 18:39 UTCOSV refresh
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 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 13:43 UTCepss_batch
2026-05-28 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
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2024-35978?

CVE-2024-35978 is a medium vulnerability published on May 20, 2024. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix memory leak in hcireqsync_complete() In 'hcireqsync_complete()', always free the previous sync request state before assigning reference to a new one.

When was CVE-2024-35978 disclosed?

CVE-2024-35978 was first published in the National Vulnerability Database on May 20, 2024, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-35978 actively exploited?

CVE-2024-35978 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-35978?

CVE-2024-35978 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2024-35978?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-35978, 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-2024-35978

Published

Last Modified

References (19)

Vendor Advisories for CVE-2024-35978(1)

Patch Availability(22)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-35978?

Same vendor

Same CWE

CVE-2024-35978

📅 Published

🔄 Last Modified

🔗 References (19)

📣 Vendor Advisories for CVE-2024-35978(1)

Patch Availability(22)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-35978?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (19)

Vendor Advisories for CVE-2024-35978(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)