#VU92928 Integer underflow in Linux kernel - CVE-2022-48743

Cybersecurity Help s.r.o.

Published: 2024-06-20 | Updated: 2025-05-13

Vulnerability identifier: #VU92928

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-2022-48743

CWE-ID: CWE-191

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 execute arbitrary code.

The vulnerability exists due to integer underflow within the xgbe_rx_buf2_len() function in drivers/net/ethernet/amd/xgbe/xgbe-drv.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.9, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7, 4.9.8, 4.9.9, 4.9.10, 4.9.11, 4.9.12, 4.9.13, 4.9.14, 4.9.15, 4.9.16, 4.9.17, 4.9.18, 4.9.19, 4.9.20, 4.9.21, 4.9.22, 4.9.23, 4.9.24, 4.9.25, 4.9.26, 4.9.27, 4.9.28, 4.9.29, 4.9.30, 4.9.31, 4.9.32, 4.9.33, 4.9.34, 4.9.35, 4.9.36, 4.9.37, 4.9.38, 4.9.39, 4.9.40, 4.9.41, 4.9.42, 4.9.43, 4.9.44, 4.9.45, 4.9.46, 4.9.47, 4.9.48, 4.9.49, 4.9.50, 4.9.51, 4.9.52, 4.9.53, 4.9.54, 4.9.55, 4.9.56, 4.9.57, 4.9.58, 4.9.59, 4.9.60, 4.9.61, 4.9.62, 4.9.63, 4.9.64, 4.9.65, 4.9.66, 4.9.67, 4.9.68, 4.9.69, 4.9.70, 4.9.71, 4.9.72, 4.9.73, 4.9.74, 4.9.75, 4.9.76, 4.9.77, 4.9.78, 4.9.79, 4.9.80, 4.9.81, 4.9.82, 4.9.83, 4.9.84, 4.9.85, 4.9.86, 4.9.87, 4.9.88, 4.9.89, 4.9.90, 4.9.91, 4.9.92, 4.9.93, 4.9.94, 4.9.95, 4.9.96, 4.9.97, 4.9.98, 4.9.99, 4.9.100, 4.9.101, 4.9.102, 4.9.103, 4.9.104, 4.9.105, 4.9.106, 4.9.107, 4.9.108, 4.9.109, 4.9.110, 4.9.111, 4.9.112, 4.9.113, 4.9.114, 4.9.115, 4.9.116, 4.9.117, 4.9.118, 4.9.119, 4.9.120, 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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.

Latest bulletins with this vulnerability

Anolis OS update for kernel

Multiple vulnerabilities in Juniper Secure Analytics (JSA)

Multiple vulnerabilities in IBM Technical Support Appliance

Multiple vulnerabilities in IBM Robotic Process Automation for Cloud Pak

Multiple vulnerabilities in Dell Storage Resource Manager (SRM) and Dell Storage Monitoring and Reporting (SMR)

Multiple vulnerabilities in IBM QRadar SIEM

Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13

Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15

Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15 packages

SUSE update for the Linux Kernel