Use-after-free in Linux kernel - CVE-2022-48779

 

Use-after-free in Linux kernel - CVE-2022-48779

Published: July 17, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU94418
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2022-48779
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL() function in drivers/net/ethernet/mscc/ocelot.c. A local user can escalate privileges on the system.


Affected software

Linux kernel

How to mitigate CVE-2022-48779

Install update from vendor's website.

Linux kernel - addressed in versions 5.16.11, 5.17

External References

Related Security Bulletins