#VU102070 Use-after-free in Linux kernel - CVE-2024-53239

Vulnerability identifier: #VU102070

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-2024-53239

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 usb6fire_chip_abort(), usb6fire_chip_destroy(), usb6fire_chip_probe() and usb6fire_chip_disconnect() functions in sound/usb/6fire/chip.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/0df7f4b5cc10f5adf98be0845372e9eef7bb5b09
https://git.kernel.org/stable/c/273eec23467dfbfbd0e4c10302579ba441fb1e13
https://git.kernel.org/stable/c/57860a80f03f9dc69a34a5c37b0941ad032a0a8c
https://git.kernel.org/stable/c/74357d0b5cd3ef544752bc9f21cbeee4902fae6c
https://git.kernel.org/stable/c/a0810c3d6dd2d29a9b92604d682eacd2902ce947
https://git.kernel.org/stable/c/b754e831a94f82f2593af806741392903f359168
https://git.kernel.org/stable/c/b889a7d68d7e76b8795b754a75c91a2d561d5e8c
https://git.kernel.org/stable/c/ea8cc56db659cf0ae57073e32a4735ead7bd7ee3
https://git.kernel.org/stable/c/f2d06d4e129e2508e356136f99bb20a332ff1a00

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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.