Out-of-bounds read in IBM Power 10

1) Out-of-bounds read

EUVDB-ID: #VU80795

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-37453

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the read_descriptors() function in drivers/usb/core/sysfs.c. An attacker with physical access to the system can attach a malicious USB device, trigger an out-of-bounds read error and crash the kernel.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Power 10: before FW1050.11(1050_070)

CPE2.3

• cpe:2.3:o:ibm_corporation:ibm_power_10:*:*:*:*:*:*:*:

External links

http://www.ibm.com/support/pages/node/7158137

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.