#VU97837 Input validation error in Linux kernel - CVE-2024-46836

Vulnerability identifier: #VU97837

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-2024-46836

CWE-ID: CWE-20

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 improper input validation within the ast_udc_getstatus() function in drivers/usb/gadget/udc/aspeed_udc.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

---

External links
https://git.kernel.org/stable/c/31bd4fab49c0adc6228848357c1b1df9395858af
https://git.kernel.org/stable/c/b2a50ffdd1a079869a62198a8d1441355c513c7c
https://git.kernel.org/stable/c/6fe9ca2ca389114c8da66e534c18273497843e8a
https://git.kernel.org/stable/c/ee0d382feb44ec0f445e2ad63786cd7f3f6a8199

---

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.