Security restrictions bypass in Linux kernel - CVE-2022-2590
Published: August 16, 2022 / Updated: August 2, 2024
Vulnerability identifier: #VU66544
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2022-2590
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions to shared memory (shmem / tmpfs). A local user can write to arbitrary files without having write permissions.
How to mitigate CVE-2022-2590
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.