#VU92307 Use-after-free in Linux kernel - CVE-2024-38555

Vulnerability identifier: #VU92307

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-38555

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the cmd_comp_notifier() function in drivers/net/ethernet/mellanox/mlx5/core/cmd.c. A local user can escalate privileges on the system.

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/f6fbb8535e990f844371086ab2c1221f71f993d3
https://git.kernel.org/stable/c/3cb92b0ad73d3f1734e812054e698d655e9581b0
https://git.kernel.org/stable/c/bf8aaf0ae01c27ae3c06aa8610caf91e50393396
https://git.kernel.org/stable/c/1337ec94bc5a9eed250e33f5f5c89a28a6bfabdb
https://git.kernel.org/stable/c/1d5dce5e92a70274de67a59e1e674c3267f94cd7
https://git.kernel.org/stable/c/7ac4c69c34240c6de820492c0a28a0bd1494265a
https://git.kernel.org/stable/c/db9b31aa9bc56ff0d15b78f7e827d61c4a096e40

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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.