#VU90609 NULL pointer dereference in Linux kernel


Vulnerability identifier: #VU90609

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26716

CWE-ID: CWE-476

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 NULL pointer dereference within the update_port_device_state() function in drivers/usb/core/hub.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
http://git.kernel.org/stable/c/ed85777c640cf9e6920bb1b60ed8cd48e1f4d873
http://git.kernel.org/stable/c/465b545d1d7ef282192ddd4439b08279bdb13f6f
http://git.kernel.org/stable/c/12783c0b9e2c7915a50d5ec829630ff2da50472c


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.


Latest bulletins with this vulnerability