Double free in Linux kernel typec tcpm driver

1) Double free

EUVDB-ID: #VU90926

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-2024-26932

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to a double free error within the tcpm_port_unregister_pd() function in drivers/usb/typec/tcpm/tcpm.c. A local user can execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/242e425ed580b2f4dbcb86c8fc03a410a4084a69
https://git.kernel.org/stable/c/b63f90487bdf93a4223ce7853d14717e9d452856

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.