#VU89973 Memory leak in Linux kernel - CVE-2024-35978

Vulnerability identifier: #VU89973

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-35978

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the hci_req_sync_complete() function in net/bluetooth/hci_request.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/89a32741f4217856066c198a4a7267bcdd1edd67
https://git.kernel.org/stable/c/4beab84fbb50df3be1d8f8a976e6fe882ca65cb2
https://git.kernel.org/stable/c/8478394f76c748862ef179a16f651f752bdafaf0
https://git.kernel.org/stable/c/75193678cce993aa959e7764b6df2f599886dd06
https://git.kernel.org/stable/c/66fab1e120b39f8f47a94186ddee36006fc02ca8
https://git.kernel.org/stable/c/9ab5e44b9bac946bd49fd63264a08cd1ea494e76
https://git.kernel.org/stable/c/e4cb8382fff6706436b66eafd9c0ee857ff0a9f5
https://git.kernel.org/stable/c/45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.