Medium 5.5Published May 20, 2024

CVE-2024-35978Bluetooth: Fix memory leak in hci_req_sync_complete()

Updated under an hour ago (2026-10-19 07:00 UTC)

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It affects Linux and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 89a32741f4217856066c198a4a7267bcdd1edd67; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 4beab84fbb50df3be1d8f8a976e6fe882ca65cb2; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 8478394f76c748862ef179a16f651f752bdafaf0; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 75193678cce993aa959e7764b6df2f599886dd06; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 66fab1e120b39f8f47a94186ddee36006fc02ca8; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 9ab5e44b9bac946bd49fd63264a08cd1ea494e76; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before e4cb8382fff6706436b66eafd9c0ee857ff0a9f5; from f60cb30579d3401cab1ed36b42df5c0568ae0ba7 before 45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810	CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	before V1.1.1	CISA ADP
linux linux_kernel linux:linux_kernel	from 4.1 before 4.19.313; from 4.20 before 5.4.275; from 5.5 before 5.10.216; from 5.11 before 5.15.156; from 5.16 before 6.1.87; from 6.2 before 6.6.28; from 6.7 before 6.8.7	NVD

References

https://git.kernel.org/stable/c/89a32741f4217856066c198a4a7267bcdd1edd67patch
https://git.kernel.org/stable/c/4beab84fbb50df3be1d8f8a976e6fe882ca65cb2patch
https://git.kernel.org/stable/c/8478394f76c748862ef179a16f651f752bdafaf0patch
https://git.kernel.org/stable/c/75193678cce993aa959e7764b6df2f599886dd06patch
https://git.kernel.org/stable/c/66fab1e120b39f8f47a94186ddee36006fc02ca8patch
https://git.kernel.org/stable/c/9ab5e44b9bac946bd49fd63264a08cd1ea494e76patch
https://git.kernel.org/stable/c/e4cb8382fff6706436b66eafd9c0ee857ff0a9f5patch
https://git.kernel.org/stable/c/45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
https://cert-portal.siemens.com/productcert/html/ssa-265688.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.