#VU88856 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2021-47099

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Main Vulnerability Database Vulnerabilities #VU88856

#VU88856 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2021-47099

Published: April 19, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU88856
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47099
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a missing security check within the veth_xdp_rcv() function in drivers/net/veth.c. A local user can gain access to sensitive information.


Remediation

Install updates from vendor's website.

External links