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CVE-2024-35978

17
FAUCET Score

CVE-2024-35978 is a memory leak vulnerability in the Linux kernel's Bluetooth component, specifically within the hci_req_sync_complete() function. This flaw, rated Medium with a CVSS score of 5.5, could lead to a denial-of-service condition due to memory exhaustion. While the vulnerability is present in Linux and its kernel, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1, < 4.19.313CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.275CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.216CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.156CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.87CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 76th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (17)

microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.22.1-2 on Azure Linux 3.0Fixed in: 6.6.35.1-5
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.158.1-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 6.6.35.1-5
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 6.6.35.1-5
microsoftpatch availablevia msrc
Product: 16839-17084Fixed in: 6.6.35.1-5
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.158.1-1 on CBL Mariner 2.0Fixed in: 5.15.158.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.153.1-2 on CBL Mariner 2.0Fixed in: 5.15.158.1-1
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.35.1-5 on Azure Linux 3.0Fixed in: -
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.158.1-1
microsoftpatch availablevia msrc
Product: 17325-16823Fixed in: 5.15.158.1-1
microsoftpatch availablevia msrc
Product: 19715-17086Fixed in: 5.15.158.1-1
microsoftpatch availablevia msrc
Product: 17671-17084Fixed in: -
nodejspatch availablevia llm_extracted
View patch
pjsippatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-570.12.1.el9_6
View patch
oraclevendor investigatingvia oracle_oval
Product: cpe:/a:oracle:linux:6:10:UEKR4_ELS
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (6)

nodejsllm-nodejs-302528ae26f0d946CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
pjsipllm-pjsip-7ba3ec379210ac70CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
microsoft2024-Sep/CVE-2024-35978

CVE-2024-35978

Sep 10, 2024
redhatCVE-2024-35978Moderate

kernel: Bluetooth: Fix memory leak in hci_req_sync_complete()

May 20, 2024
microsoft2024-May/CVE-2024-35978Moderate

Bluetooth: Fix memory leak in hci_req_sync_complete()

May 14, 2024
oracleoval:com.oracle.ovmsa:def:20240011IMPORTANT

OVMSA-2024-0011: Unbreakable Enterprise kernel security update (IMPORTANT)

References

cert-portal.siemens.com / productcert/html/ssa-265688.html
git.kernel.org / stable/c/45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810
Patch
git.kernel.org / stable/c/4beab84fbb50df3be1d8f8a976e6fe882ca65cb2
Patch
git.kernel.org / stable/c/66fab1e120b39f8f47a94186ddee36006fc02ca8
Patch
git.kernel.org / stable/c/75193678cce993aa959e7764b6df2f599886dd06
Patch
git.kernel.org / stable/c/8478394f76c748862ef179a16f651f752bdafaf0
Patch
git.kernel.org / stable/c/89a32741f4217856066c198a4a7267bcdd1edd67
Patch
git.kernel.org / stable/c/9ab5e44b9bac946bd49fd63264a08cd1ea494e76
Patch
git.kernel.org / stable/c/e4cb8382fff6706436b66eafd9c0ee857ff0a9f5
Patch
lists.debian.org / debian-lts-announce/2024/06/msg00017.html
lists.debian.org / debian-lts-announce/2024/06/msg00020.html