#VU102228 Resource management error in Linux kernel - CVE-2024-56641

Vulnerability identifier: #VU102228

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-2024-56641

CWE-ID: CWE-399

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 resource management error within the smc_sk_init(), smc_connect_rdma(), smc_connect_ism() and smc_listen_work() functions in net/smc/af_smc.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/0541db8ee32c09463a72d0987382b3a3336b0043
https://git.kernel.org/stable/c/6638e52dcfafaf1b9cbc34544f0c832db0069ea1
https://git.kernel.org/stable/c/f0c37002210aaede10dae849d1a78efc2243add2

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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.